18465954 has 24 divisors (see below), whose sum is σ = 39993552. Its totient is φ = 5681520.

The previous prime is 18465947. The next prime is 18465973. The reversal of 18465954 is 45956481.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8092 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (1666398).

Almost surely, 2^18465954 is an apocalyptic number.

18465954 is an abundant number, since it is smaller than the sum of its proper divisors (21527598).

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

18465954 is a wasteful number, since it uses less digits than its factorization.

18465954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242 (or 18229 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 18465954 is about 4297.2030438414. The cubic root of 18465954 is about 264.3162818587.

The spelling of 18465954 in words is "eighteen million, four hundred sixty-five thousand, nine hundred fifty-four".