356956399 has 8 divisors (see below), whose sum is σ = 364840128. Its totient is φ = 349084800.

The previous prime is 356956393. The next prime is 356956403. The reversal of 356956399 is 993659653.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356956399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356956393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82539 + ... + 86755.

It is an arithmetic number, because the mean of its divisors is an integer number (45605016).

Almost surely, 2^356956399 is an apocalyptic number.

356956399 is a deficient number, since it is larger than the sum of its proper divisors (7883729).

356956399 is a wasteful number, since it uses less digits than its factorization.

356956399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065.

The product of its digits is 5904900, while the sum is 55.

The square root of 356956399 is about 18893.2897876468. The cubic root of 356956399 is about 709.3682133528.

The spelling of 356956399 in words is "three hundred fifty-six million, nine hundred fifty-six thousand, three hundred ninety-nine".