84400630 has 8 divisors (see below), whose sum is σ = 151921152. Its totient is φ = 33760248.

The previous prime is 84400627. The next prime is 84400649. The reversal of 84400630 is 3600448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84400595 and 84400604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220022 + ... + 4220041.

It is an arithmetic number, because the mean of its divisors is an integer number (18990144).

Almost surely, 2^84400630 is an apocalyptic number.

84400630 is a deficient number, since it is larger than the sum of its proper divisors (67520522).

84400630 is a wasteful number, since it uses less digits than its factorization.

84400630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440070.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 84400630 is about 9186.9815499978. The cubic root of 84400630 is about 438.6470666505.

The spelling of 84400630 in words is "eighty-four million, four hundred thousand, six hundred thirty".