86396420 has 72 divisors (see below), whose sum is σ = 210033600. Its totient is φ = 29747520.

The previous prime is 86396419. The next prime is 86396437. The reversal of 86396420 is 2469368.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45041 + ... + 46919.

Almost surely, 2^86396420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86396420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105016800).

86396420 is an abundant number, since it is smaller than the sum of its proper divisors (123637180).

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

86396420 is a wasteful number, since it uses less digits than its factorization.

86396420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 86396420 is about 9294.9674555643. The cubic root of 86396420 is about 442.0776738114.

The spelling of 86396420 in words is "eighty-six million, three hundred ninety-six thousand, four hundred twenty".