83870604 has 36 divisors (see below), whose sum is σ = 221226096. Its totient is φ = 26741088.

The previous prime is 83870603. The next prime is 83870609. The reversal of 83870604 is 40607838.

It is a tau number, because it is divible by the number of its divisors (36).

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 (83870603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49819 + ... + 51474.

Almost surely, 2^83870604 is an apocalyptic number.

It is an amenable number.

83870604 is an abundant number, since it is smaller than the sum of its proper divisors (137355492).

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

83870604 is a wasteful number, since it uses less digits than its factorization.

83870604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101326 (or 101321 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 83870604 is about 9158.0895387630. The cubic root of 83870604 is about 437.7269205400.

The spelling of 83870604 in words is "eighty-three million, eight hundred seventy thousand, six hundred four".