84879630 has 64 divisors (see below), whose sum is σ = 246931200. Its totient is φ = 20576160.

The previous prime is 84879629. The next prime is 84879649. The reversal of 84879630 is 3697848.

It is a happy number.

84879630 is a `hidden beast` number, since 8 + 4 + 8 + 7 + 9 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11320 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (3858300).

Almost surely, 2^84879630 is an apocalyptic number.

84879630 is an abundant number, since it is smaller than the sum of its proper divisors (162051570).

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

84879630 is a wasteful number, since it uses less digits than its factorization.

84879630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28606 (or 28600 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 84879630 is about 9213.0141647563. The cubic root of 84879630 is about 439.4753215651.

The spelling of 84879630 in words is "eighty-four million, eight hundred seventy-nine thousand, six hundred thirty".