356477399 has 4 divisors (see below), whose sum is σ = 358538136. Its totient is φ = 354416664.

The previous prime is 356477393. The next prime is 356477413. The reversal of 356477399 is 993774653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993774653 = 101 ⋅9839353.

It is a cyclic number.

It is not a de Polignac number, because 356477399 - 2²⁰ = 355428823 is a prime.

It is a super-2 number, since 2×356477399² = 254152271995610402, which contains 22 as substring.

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 356477399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356477393) 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 3 ways as a sum of consecutive naturals, for example, 1030109 + ... + 1030454.

It is an arithmetic number, because the mean of its divisors is an integer number (89634534).

Almost surely, 2^356477399 is an apocalyptic number.

356477399 is a deficient number, since it is larger than the sum of its proper divisors (2060737).

356477399 is a wasteful number, since it uses less digits than its factorization.

356477399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060736.

The product of its digits is 4286520, while the sum is 53.

The square root of 356477399 is about 18880.6090738620. The cubic root of 356477399 is about 709.0507707785.

The spelling of 356477399 in words is "three hundred fifty-six million, four hundred seventy-seven thousand, three hundred ninety-nine".