501681936 has 40 divisors (see below), whose sum is σ = 1481157184. Its totient is φ = 143337600.

The previous prime is 501681913. The next prime is 501681949. The reversal of 501681936 is 639186105.

It is a junction number, because it is equal to n+sod(n) for n = 501681894 and 501681903.

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, 746215 + ... + 746886.

Almost surely, 2^501681936 is an apocalyptic number.

501681936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

501681936 is an abundant number, since it is smaller than the sum of its proper divisors (979475248).

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

501681936 is a wasteful number, since it uses less digits than its factorization.

501681936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493119 (or 1493113 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 501681936 is about 22398.2574322200. The cubic root of 501681936 is about 794.5894989228.

The spelling of 501681936 in words is "five hundred one million, six hundred eighty-one thousand, nine hundred thirty-six".