508881436 has 48 divisors (see below), whose sum is σ = 1048225024. Its totient is φ = 211631616.

The previous prime is 508881419. The next prime is 508881469. The reversal of 508881436 is 634188805.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 508881392 and 508881401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194956 + ... + 197548.

Almost surely, 2^508881436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 508881436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524112512).

508881436 is an abundant number, since it is smaller than the sum of its proper divisors (539343588).

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

508881436 is a wasteful number, since it uses less digits than its factorization.

508881436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 508881436 is about 22558.4005638698. The cubic root of 508881436 is about 798.3724389685.

The spelling of 508881436 in words is "five hundred eight million, eight hundred eighty-one thousand, four hundred thirty-six".