84473631 has 16 divisors (see below), whose sum is σ = 136523520. Its totient is φ = 51195960.

The previous prime is 84473621. The next prime is 84473657. The reversal of 84473631 is 13637448.

It is not a de Polignac number, because 84473631 - 2⁶ = 84473567 is a prime.

It is a super-2 number, since 2×84473631² = 14271588668648322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84473621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141915 + ... + 142508.

It is an arithmetic number, because the mean of its divisors is an integer number (8532720).

Almost surely, 2^84473631 is an apocalyptic number.

84473631 is a deficient number, since it is larger than the sum of its proper divisors (52049889).

84473631 is a wasteful number, since it uses less digits than its factorization.

84473631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284443 (or 284437 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 84473631 is about 9190.9537589959. The cubic root of 84473631 is about 438.7734971710.

The spelling of 84473631 in words is "eighty-four million, four hundred seventy-three thousand, six hundred thirty-one".