508398345 has 192 divisors, whose sum is σ = 1176215040. Its totient is φ = 197074944.

The previous prime is 508398301. The next prime is 508398361. The reversal of 508398345 is 543893805.

It is a happy number.

It is not a de Polignac number, because 508398345 - 2⁸ = 508398089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 508398345.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4664151 + ... + 4664259.

It is an arithmetic number, because the mean of its divisors is an integer number (6126120).

Almost surely, 2^508398345 is an apocalyptic number.

It is an amenable number.

508398345 is an abundant number, since it is smaller than the sum of its proper divisors (667816695).

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

508398345 is a wasteful number, since it uses less digits than its factorization.

508398345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 508398345 is about 22547.6904582265. The cubic root of 508398345 is about 798.1197221773.

The spelling of 508398345 in words is "five hundred eight million, three hundred ninety-eight thousand, three hundred forty-five".