84444931 has 2 divisors, whose sum is σ = 84444932. Its totient is φ = 84444930.

The previous prime is 84444929. The next prime is 84444973. The reversal of 84444931 is 13944448.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84444931 - 2¹ = 84444929 is a prime.

It is a super-2 number, since 2×84444931² = 14261892743189522, which contains 22 as substring.

Together with 84444929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84444331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42222465 + 42222466.

It is an arithmetic number, because the mean of its divisors is an integer number (42222466).

Almost surely, 2^84444931 is an apocalyptic number.

84444931 is a deficient number, since it is larger than the sum of its proper divisors (1).

84444931 is an equidigital number, since it uses as much as digits as its factorization.

84444931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 84444931 is about 9189.3923085262. The cubic root of 84444931 is about 438.7238002986.

The spelling of 84444931 in words is "eighty-four million, four hundred forty-four thousand, nine hundred thirty-one".