82628004 has 12 divisors (see below), whose sum is σ = 192798704. Its totient is φ = 27542664.

The previous prime is 82628003. The next prime is 82628033. The reversal of 82628004 is 40082628.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (82628003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442822 + ... + 3442845.

Almost surely, 2^82628004 is an apocalyptic number.

It is an amenable number.

82628004 is an abundant number, since it is smaller than the sum of its proper divisors (110170700).

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

82628004 is a wasteful number, since it uses less digits than its factorization.

82628004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885674 (or 6885672 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 82628004 is about 9089.9947194704. The cubic root of 82628004 is about 435.5544152966.

The spelling of 82628004 in words is "eighty-two million, six hundred twenty-eight thousand, four".