84624971 has 8 divisors (see below), whose sum is σ = 86673888. Its totient is φ = 82600000.

The previous prime is 84624959. The next prime is 84624977. The reversal of 84624971 is 17942648.

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

It is a cyclic number.

It is not a de Polignac number, because 84624971 - 2⁶ = 84624907 is a prime.

It is a super-2 number, since 2×84624971² = 14322771433501682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84624977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (10834236).

Almost surely, 2^84624971 is an apocalyptic number.

84624971 is a deficient number, since it is larger than the sum of its proper divisors (2048917).

84624971 is a wasteful number, since it uses less digits than its factorization.

84624971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973.

The product of its digits is 96768, while the sum is 41.

The square root of 84624971 is about 9199.1831702603. The cubic root of 84624971 is about 439.0353712573.

The spelling of 84624971 in words is "eighty-four million, six hundred twenty-four thousand, nine hundred seventy-one".