84393020 has 12 divisors (see below), whose sum is σ = 177225384. Its totient is φ = 33757200.

The previous prime is 84393019. The next prime is 84393077. The reversal of 84393020 is 2039348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109806 + ... + 2109845.

It is an arithmetic number, because the mean of its divisors is an integer number (14768782).

Almost surely, 2^84393020 is an apocalyptic number.

It is an amenable number.

84393020 is an abundant number, since it is smaller than the sum of its proper divisors (92832364).

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

84393020 is a wasteful number, since it uses less digits than its factorization.

84393020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219660 (or 4219658 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 84393020 is about 9186.5673676298. The cubic root of 84393020 is about 438.6338826869.

The spelling of 84393020 in words is "eighty-four million, three hundred ninety-three thousand, twenty".