18970502 has 16 divisors (see below), whose sum is σ = 29175552. Its totient is φ = 9247680.

The previous prime is 18970489. The next prime is 18970513. The reversal of 18970502 is 20507981.

It is a super-2 number, since 2×18970502² = 719759892264008, 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, 19778 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (1823472).

Almost surely, 2^18970502 is an apocalyptic number.

18970502 is a deficient number, since it is larger than the sum of its proper divisors (10205050).

18970502 is a wasteful number, since it uses less digits than its factorization.

18970502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 18970502 is about 4355.5139765589. The cubic root of 18970502 is about 266.7020012206.

The spelling of 18970502 in words is "eighteen million, nine hundred seventy thousand, five hundred two".