18230970 has 32 divisors (see below), whose sum is σ = 46329408. Its totient is φ = 4575488.

The previous prime is 18230969. The next prime is 18231029. The reversal of 18230970 is 7903281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17364 + ... + 18383.

It is an arithmetic number, because the mean of its divisors is an integer number (1447794).

Almost surely, 2^18230970 is an apocalyptic number.

18230970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18230970 is an abundant number, since it is smaller than the sum of its proper divisors (28098438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18230970 is a wasteful number, since it uses less digits than its factorization.

18230970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35774.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 18230970 is about 4269.7739987030. The cubic root of 18230970 is about 263.1903280938.

The spelling of 18230970 in words is "eighteen million, two hundred thirty thousand, nine hundred seventy".