84042684 has 60 divisors (see below), whose sum is σ = 239687448. Its totient is φ = 25466400.

The previous prime is 84042671. The next prime is 84042697. The reversal of 84042684 is 48624048.

It is an interprime number because it is at equal distance from previous prime (84042671) and next prime (84042697).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8227 + ... + 15354.

Almost surely, 2^84042684 is an apocalyptic number.

It is an amenable number.

84042684 is an abundant number, since it is smaller than the sum of its proper divisors (155644764).

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

84042684 is a wasteful number, since it uses less digits than its factorization.

84042684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23608 (or 23597 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 84042684 is about 9167.4796972778. The cubic root of 84042684 is about 438.0260821398.

The spelling of 84042684 in words is "eighty-four million, forty-two thousand, six hundred eighty-four".