508338428 has 24 divisors (see below), whose sum is σ = 958792800. Its totient is φ = 234429120.

The previous prime is 508338409. The next prime is 508338431. The reversal of 508338428 is 824833805.

It is a super-2 number, since 2×508338428² = 516815914763022368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77393 + ... + 83703.

It is an arithmetic number, because the mean of its divisors is an integer number (39949700).

Almost surely, 2^508338428 is an apocalyptic number.

It is an amenable number.

508338428 is a deficient number, since it is larger than the sum of its proper divisors (450454372).

508338428 is a wasteful number, since it uses less digits than its factorization.

508338428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7875 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 508338428 is about 22546.3617464104. The cubic root of 508338428 is about 798.0883669623.

The spelling of 508338428 in words is "five hundred eight million, three hundred thirty-eight thousand, four hundred twenty-eight".