84258380 has 12 divisors (see below), whose sum is σ = 176942640. Its totient is φ = 33703344.

The previous prime is 84258373. The next prime is 84258389. The reversal of 84258380 is 8385248.

It is not an unprimeable number, because it can be changed into a prime (84258389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106440 + ... + 2106479.

It is an arithmetic number, because the mean of its divisors is an integer number (14745220).

Almost surely, 2^84258380 is an apocalyptic number.

It is an amenable number.

84258380 is an abundant number, since it is smaller than the sum of its proper divisors (92684260).

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

84258380 is a wasteful number, since it uses less digits than its factorization.

84258380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212928 (or 4212926 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 84258380 is about 9179.2363516798. The cubic root of 84258380 is about 438.4004941099.

The spelling of 84258380 in words is "eighty-four million, two hundred fifty-eight thousand, three hundred eighty".