18265396 has 12 divisors (see below), whose sum is σ = 32032000. Its totient is φ = 9113400.

The previous prime is 18265393. The next prime is 18265421. The reversal of 18265396 is 69356281.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18265393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580 + ... + 6571.

Almost surely, 2^18265396 is an apocalyptic number.

It is an amenable number.

18265396 is a deficient number, since it is larger than the sum of its proper divisors (13766604).

18265396 is a wasteful number, since it uses less digits than its factorization.

18265396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9652 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 18265396 is about 4273.8034582793. The cubic root of 18265396 is about 263.3558869038.

The spelling of 18265396 in words is "eighteen million, two hundred sixty-five thousand, three hundred ninety-six".