48638428 has 24 divisors (see below), whose sum is σ = 90493200. Its totient is φ = 22795008.

The previous prime is 48638389. The next prime is 48638437. The reversal of 48638428 is 82483684.

It is a super-2 number, since 2×48638428² = 4731393356622368, 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, 16963 + ... + 19621.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^48638428 is an apocalyptic number.

It is an amenable number.

48638428 is a deficient number, since it is larger than the sum of its proper divisors (41854772).

48638428 is a wasteful number, since it uses less digits than its factorization.

48638428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2947 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 48638428 is about 6974.1256082752. The cubic root of 48638428 is about 365.0282782870.

The spelling of 48638428 in words is "forty-eight million, six hundred thirty-eight thousand, four hundred twenty-eight".