84064620 has 48 divisors (see below), whose sum is σ = 243502560. Its totient is φ = 21643776.

The previous prime is 84064619. The next prime is 84064663. The reversal of 84064620 is 2646048.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22417 + ... + 25896.

It is an arithmetic number, because the mean of its divisors is an integer number (5072970).

Almost surely, 2^84064620 is an apocalyptic number.

It is an amenable number.

84064620 is an abundant number, since it is smaller than the sum of its proper divisors (159437940).

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

84064620 is a wasteful number, since it uses less digits than its factorization.

84064620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48354 (or 48352 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 84064620 is about 9168.6760221964. The cubic root of 84064620 is about 438.0641885870.

The spelling of 84064620 in words is "eighty-four million, sixty-four thousand, six hundred twenty".