356349690 has 24 divisors (see below), whose sum is σ = 926509428. Its totient is φ = 95026560.

The previous prime is 356349683. The next prime is 356349691. The reversal of 356349690 is 96943653.

It is a happy number.

356349690 is a `hidden beast` number, since 3 + 5 + 634 + 9 + 6 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 297873081 + 58476609 = 17259^2 + 7647^2 .

It is a super-2 number, since 2×356349690² = 253970203126192200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) 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 (45).

It is not an unprimeable number, because it can be changed into a prime (356349691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1979631 + ... + 1979810.

Almost surely, 2^356349690 is an apocalyptic number.

356349690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

356349690 is an abundant number, since it is smaller than the sum of its proper divisors (570159738).

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

356349690 is a wasteful number, since it uses less digits than its factorization.

356349690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959454 (or 3959451 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The square root of 356349690 is about 18877.2267560677. The cubic root of 356349690 is about 708.9660875412.

The spelling of 356349690 in words is "three hundred fifty-six million, three hundred forty-nine thousand, six hundred ninety".