18808670 has 16 divisors (see below), whose sum is σ = 35637840. Its totient is φ = 7127424.

The previous prime is 18808667. The next prime is 18808697. The reversal of 18808670 is 7680881.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 49307 + ... + 49686.

It is an arithmetic number, because the mean of its divisors is an integer number (2227365).

Almost surely, 2^18808670 is an apocalyptic number.

18808670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18808670 is a deficient number, since it is larger than the sum of its proper divisors (16829170).

18808670 is a wasteful number, since it uses less digits than its factorization.

18808670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99019.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 18808670 is about 4336.8963556903. The cubic root of 18808670 is about 265.9414479073.

The spelling of 18808670 in words is "eighteen million, eight hundred eight thousand, six hundred seventy".