356656146 has 128 divisors (see below), whose sum is σ = 919683072. Its totient is φ = 89544000.

The previous prime is 356656117. The next prime is 356656187. The reversal of 356656146 is 641656653.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 356656098 and 356656107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2722501 + ... + 2722631.

It is an arithmetic number, because the mean of its divisors is an integer number (7185024).

Almost surely, 2^356656146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356656146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459841536).

356656146 is an abundant number, since it is smaller than the sum of its proper divisors (563026926).

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

356656146 is a wasteful number, since it uses less digits than its factorization.

356656146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its digits is 388800, while the sum is 42.

The square root of 356656146 is about 18885.3420938039. The cubic root of 356656146 is about 709.1692631156.

The spelling of 356656146 in words is "three hundred fifty-six million, six hundred fifty-six thousand, one hundred forty-six".