18620248 has 16 divisors (see below), whose sum is σ = 36431280. Its totient is φ = 8905248.

The previous prime is 18620207. The next prime is 18620249. The reversal of 18620248 is 84202681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18620249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50415 + ... + 50782.

It is an arithmetic number, because the mean of its divisors is an integer number (2276955).

Almost surely, 2^18620248 is an apocalyptic number.

It is an amenable number.

18620248 is a deficient number, since it is larger than the sum of its proper divisors (17811032).

18620248 is a wasteful number, since it uses less digits than its factorization.

18620248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101226 (or 101222 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18620248 is about 4315.1185383486. The cubic root of 18620248 is about 265.0504140468.

The spelling of 18620248 in words is "eighteen million, six hundred twenty thousand, two hundred forty-eight".