82444404 has 24 divisors (see below), whose sum is σ = 219851968. Its totient is φ = 23555520.

The previous prime is 82444403. The next prime is 82444421. The reversal of 82444404 is 40444428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82444403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490657 + ... + 490824.

Almost surely, 2^82444404 is an apocalyptic number.

82444404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82444404 is an abundant number, since it is smaller than the sum of its proper divisors (137407564).

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

82444404 is a wasteful number, since it uses less digits than its factorization.

82444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981495 (or 981493 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The square root of 82444404 is about 9079.8900874405. The cubic root of 82444404 is about 435.2315744127.

The spelling of 82444404 in words is "eighty-two million, four hundred forty-four thousand, four hundred four".