18475952 has 40 divisors (see below), whose sum is σ = 39439440. Its totient is φ = 8314880.

The previous prime is 18475931. The next prime is 18475973. The reversal of 18475952 is 25957481.

It is an interprime number because it is at equal distance from previous prime (18475931) and next prime (18475973).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19424 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (985986).

Almost surely, 2^18475952 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 18475952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19719720).

18475952 is an abundant number, since it is smaller than the sum of its proper divisors (20963488).

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

18475952 is a wasteful number, since it uses less digits than its factorization.

18475952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 18475952 is about 4298.3662012444. The cubic root of 18475952 is about 264.3639760711.

The spelling of 18475952 in words is "eighteen million, four hundred seventy-five thousand, nine hundred fifty-two".