18579996 has 48 divisors (see below), whose sum is σ = 48736800. Its totient is φ = 6120576.

The previous prime is 18579983. The next prime is 18580007. The reversal of 18579996 is 69997581.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8646 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (1015350).

Almost surely, 2^18579996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18579996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24368400).

18579996 is an abundant number, since it is smaller than the sum of its proper divisors (30156804).

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

18579996 is a wasteful number, since it uses less digits than its factorization.

18579996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2027 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 18579996 is about 4310.4519484620. The cubic root of 18579996 is about 264.8592868714.

The spelling of 18579996 in words is "eighteen million, five hundred seventy-nine thousand, nine hundred ninety-six".