18236966 has 8 divisors (see below), whose sum is σ = 29842344. Its totient is φ = 8289520.

The previous prime is 18236951. The next prime is 18236983. The reversal of 18236966 is 66963281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414455 + ... + 414498.

It is an arithmetic number, because the mean of its divisors is an integer number (3730293).

Almost surely, 2^18236966 is an apocalyptic number.

18236966 is a deficient number, since it is larger than the sum of its proper divisors (11605378).

18236966 is a wasteful number, since it uses less digits than its factorization.

18236966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828966.

The product of its digits is 93312, while the sum is 41.

The square root of 18236966 is about 4270.4760858715. The cubic root of 18236966 is about 263.2191785651.

The spelling of 18236966 in words is "eighteen million, two hundred thirty-six thousand, nine hundred sixty-six".