18434952 has 112 divisors (see below), whose sum is σ = 54103500. Its totient is φ = 5878656.

The previous prime is 18434879. The next prime is 18434957. The reversal of 18434952 is 25943481.

It can be written as a sum of positive squares in 2 ways, for example, as 18198756 + 236196 = 4266^2 + 486^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18434957) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 169074 + ... + 169182.

Almost surely, 2^18434952 is an apocalyptic number.

18434952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18434952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27051750).

18434952 is an abundant number, since it is smaller than the sum of its proper divisors (35668548).

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

18434952 is a wasteful number, since it uses less digits than its factorization.

18434952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 143 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 18434952 is about 4293.5942984870. The cubic root of 18434952 is about 264.1682811398.

The spelling of 18434952 in words is "eighteen million, four hundred thirty-four thousand, nine hundred fifty-two".