83420004 has 48 divisors (see below), whose sum is σ = 197724800. Its totient is φ = 27371520.

The previous prime is 83419997. The next prime is 83420017. The reversal of 83420004 is 40002438.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419097 + ... + 419295.

Almost surely, 2^83420004 is an apocalyptic number.

It is an amenable number.

83420004 is an abundant number, since it is smaller than the sum of its proper divisors (114304796).

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

83420004 is a wasteful number, since it uses less digits than its factorization.

83420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 83420004 is about 9133.4552059995. The cubic root of 83420004 is about 436.9416075037.

The spelling of 83420004 in words is "eighty-three million, four hundred twenty thousand, four".