84451164 has 24 divisors (see below), whose sum is σ = 225203328. Its totient is φ = 24128880.

The previous prime is 84451153. The next prime is 84451187. The reversal of 84451164 is 46115448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502602 + ... + 502769.

It is an arithmetic number, because the mean of its divisors is an integer number (9383472).

Almost surely, 2^84451164 is an apocalyptic number.

84451164 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84451164 is an abundant number, since it is smaller than the sum of its proper divisors (140752164).

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

84451164 is a wasteful number, since it uses less digits than its factorization.

84451164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005385 (or 1005383 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 84451164 is about 9189.7314433013. The cubic root of 84451164 is about 438.7345943081.

The spelling of 84451164 in words is "eighty-four million, four hundred fifty-one thousand, one hundred sixty-four".