18300970 has 16 divisors (see below), whose sum is σ = 33074568. Its totient is φ = 7290880.

The previous prime is 18300949. The next prime is 18301021. The reversal of 18300970 is 7900381.

It can be written as a sum of positive squares in 4 ways, for example, as 14830201 + 3470769 = 3851^2 + 1863^2 .

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, 991 + ... + 6130.

Almost surely, 2^18300970 is an apocalyptic number.

18300970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18300970 is a deficient number, since it is larger than the sum of its proper divisors (14773598).

18300970 is a wasteful number, since it uses less digits than its factorization.

18300970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 18300970 is about 4277.9633004503. The cubic root of 18300970 is about 263.5267481821.

The spelling of 18300970 in words is "eighteen million, three hundred thousand, nine hundred seventy".