356378399 has 16 divisors (see below), whose sum is σ = 404478144. Its totient is φ = 311520000.

The previous prime is 356378389. The next prime is 356378417. The reversal of 356378399 is 993873653.

It is a cyclic number.

It is not a de Polignac number, because 356378399 - 2¹² = 356374303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356378399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356378329) 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 15 ways as a sum of consecutive naturals, for example, 24299 + ... + 36099.

It is an arithmetic number, because the mean of its divisors is an integer number (25279884).

Almost surely, 2^356378399 is an apocalyptic number.

356378399 is a deficient number, since it is larger than the sum of its proper divisors (48099745).

356378399 is a wasteful number, since it uses less digits than its factorization.

356378399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11938.

The product of its digits is 3674160, while the sum is 53.

The square root of 356378399 is about 18877.9871543552. The cubic root of 356378399 is about 708.9851261068.

The spelling of 356378399 in words is "three hundred fifty-six million, three hundred seventy-eight thousand, three hundred ninety-nine".