49173928 has 24 divisors (see below), whose sum is σ = 97948350. Its totient is φ = 23139584.

The previous prime is 49173907. The next prime is 49173947. The reversal of 49173928 is 82937194.

It can be written as a sum of positive squares in 3 ways, for example, as 49028004 + 145924 = 7002^2 + 382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8323 + ... + 12946.

Almost surely, 2^49173928 is an apocalyptic number.

It is an amenable number.

49173928 is a deficient number, since it is larger than the sum of its proper divisors (48774422).

49173928 is a wasteful number, since it uses less digits than its factorization.

49173928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21309 (or 21288 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 49173928 is about 7012.4124236956. The cubic root of 49173928 is about 366.3630228125.

The spelling of 49173928 in words is "forty-nine million, one hundred seventy-three thousand, nine hundred twenty-eight".