18384952 has 8 divisors (see below), whose sum is σ = 34471800. Its totient is φ = 9192472.

The previous prime is 18384941. The next prime is 18384979. The reversal of 18384952 is 25948381.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149052 + ... + 1149067.

It is an arithmetic number, because the mean of its divisors is an integer number (4308975).

Almost surely, 2^18384952 is an apocalyptic number.

It is an amenable number.

18384952 is a deficient number, since it is larger than the sum of its proper divisors (16086848).

18384952 is a wasteful number, since it uses less digits than its factorization.

18384952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298125 (or 2298121 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 18384952 is about 4287.7677175892. The cubic root of 18384952 is about 263.9292357015.

The spelling of 18384952 in words is "eighteen million, three hundred eighty-four thousand, nine hundred fifty-two".