508874399 has 4 divisors (see below), whose sum is σ = 555135720. Its totient is φ = 462613080.

The previous prime is 508874323. The next prime is 508874417. The reversal of 508874399 is 993478805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508874399 is a prime.

It is a super-2 number, since 2×508874399² = 517906307915222402, 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 508874399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508874309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23130644 + ... + 23130665.

It is an arithmetic number, because the mean of its divisors is an integer number (138783930).

Almost surely, 2^508874399 is an apocalyptic number.

508874399 is a deficient number, since it is larger than the sum of its proper divisors (46261321).

508874399 is a wasteful number, since it uses less digits than its factorization.

508874399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46261320.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 508874399 is about 22558.2445903931. The cubic root of 508874399 is about 798.3687588888.

The spelling of 508874399 in words is "five hundred eight million, eight hundred seventy-four thousand, three hundred ninety-nine".