18696974 has 8 divisors (see below), whose sum is σ = 29695248. Its totient is φ = 8798560.

The previous prime is 18696949. The next prime is 18696983. The reversal of 18696974 is 47969681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274922 + ... + 274989.

It is an arithmetic number, because the mean of its divisors is an integer number (3711906).

Almost surely, 2^18696974 is an apocalyptic number.

18696974 is a deficient number, since it is larger than the sum of its proper divisors (10998274).

18696974 is a wasteful number, since it uses less digits than its factorization.

18696974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549930.

The product of its digits is 653184, while the sum is 50.

The square root of 18696974 is about 4323.9997687326. Note that the first 3 decimals coincide. The cubic root of 18696974 is about 265.4139679144.

The spelling of 18696974 in words is "eighteen million, six hundred ninety-six thousand, nine hundred seventy-four".