18390062 has 12 divisors (see below), whose sum is σ = 29114496. Its totient is φ = 8710740.

The previous prime is 18390049. The next prime is 18390067. The reversal of 18390062 is 26009381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18390067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12014 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (2426208).

Almost surely, 2^18390062 is an apocalyptic number.

18390062 is a deficient number, since it is larger than the sum of its proper divisors (10724434).

18390062 is a wasteful number, since it uses less digits than its factorization.

18390062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511 (or 25492 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 18390062 is about 4288.3635573491. The cubic root of 18390062 is about 263.9536860139.

The spelling of 18390062 in words is "eighteen million, three hundred ninety thousand, sixty-two".