82443204 has 48 divisors (see below), whose sum is σ = 224996800. Its totient is φ = 26034048.

The previous prime is 82443203. The next prime is 82443211. The reversal of 82443204 is 40234428.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (82443203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18037 + ... + 22140.

Almost surely, 2^82443204 is an apocalyptic number.

It is an amenable number.

82443204 is an abundant number, since it is smaller than the sum of its proper divisors (142553596).

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

82443204 is a wasteful number, since it uses less digits than its factorization.

82443204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209 (or 40201 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 82443204 is about 9079.8240071050. The cubic root of 82443204 is about 435.2294627657.

The spelling of 82443204 in words is "eighty-two million, four hundred forty-three thousand, two hundred four".