248920472 has 8 divisors (see below), whose sum is σ = 466725900. Its totient is φ = 124460232.

The previous prime is 248920447. The next prime is 248920487. The reversal of 248920472 is 274029842.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×248920472² = 123922802761405568, 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 as a sum of consecutive naturals, namely, 15557522 + ... + 15557537.

Almost surely, 2^248920472 is an apocalyptic number.

It is an amenable number.

248920472 is a deficient number, since it is larger than the sum of its proper divisors (217805428).

248920472 is a wasteful number, since it uses less digits than its factorization.

248920472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31115065 (or 31115061 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 248920472 is about 15777.2136957069. The cubic root of 248920472 is about 629.0524699620.

The spelling of 248920472 in words is "two hundred forty-eight million, nine hundred twenty thousand, four hundred seventy-two".