356433660 has 144 divisors (see below), whose sum is σ = 1217728512. Its totient is φ = 83606400.

The previous prime is 356433647. The next prime is 356433661. The reversal of 356433660 is 66334653.

It is a happy number.

356433660 is a `hidden beast` number, since 3 + 5 + 643 + 3 + 6 + 6 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356433661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58477 + ... + 64283.

It is an arithmetic number, because the mean of its divisors is an integer number (8456448).

Almost surely, 2^356433660 is an apocalyptic number.

356433660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356433660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608864256).

356433660 is an abundant number, since it is smaller than the sum of its proper divisors (861294852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

356433660 is a wasteful number, since it uses less digits than its factorization.

356433660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 356433660 is about 18879.4507335357. The cubic root of 356433660 is about 709.0217699309.

The spelling of 356433660 in words is "three hundred fifty-six million, four hundred thirty-three thousand, six hundred sixty".