84608664 has 32 divisors (see below), whose sum is σ = 241739520. Its totient is φ = 24173856.

The previous prime is 84608659. The next prime is 84608669. The reversal of 84608664 is 46680648.

It is an interprime number because it is at equal distance from previous prime (84608659) and next prime (84608669).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84608669) 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, 251644 + ... + 251979.

It is an arithmetic number, because the mean of its divisors is an integer number (7554360).

Almost surely, 2^84608664 is an apocalyptic number.

84608664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84608664 is an abundant number, since it is smaller than the sum of its proper divisors (157130856).

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

84608664 is a wasteful number, since it uses less digits than its factorization.

84608664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503639 (or 503635 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 84608664 is about 9198.2967988645. The cubic root of 84608664 is about 439.0071691414.

The spelling of 84608664 in words is "eighty-four million, six hundred eight thousand, six hundred sixty-four".