18814370 has 16 divisors (see below), whose sum is σ = 35648640. Its totient is φ = 7129584.

The previous prime is 18814339. The next prime is 18814423. The reversal of 18814370 is 7341881.

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, 49322 + ... + 49701.

It is an arithmetic number, because the mean of its divisors is an integer number (2228040).

Almost surely, 2^18814370 is an apocalyptic number.

18814370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18814370 is a deficient number, since it is larger than the sum of its proper divisors (16834270).

18814370 is a wasteful number, since it uses less digits than its factorization.

18814370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99049.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 18814370 is about 4337.5534578838. The cubic root of 18814370 is about 265.9683098660.

The spelling of 18814370 in words is "eighteen million, eight hundred fourteen thousand, three hundred seventy".