86739420 has 24 divisors (see below), whose sum is σ = 242870544. Its totient is φ = 23130496.

The previous prime is 86739391. The next prime is 86739421. The reversal of 86739420 is 2493768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86739421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722769 + ... + 722888.

It is an arithmetic number, because the mean of its divisors is an integer number (10119606).

Almost surely, 2^86739420 is an apocalyptic number.

It is an amenable number.

86739420 is an abundant number, since it is smaller than the sum of its proper divisors (156131124).

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

86739420 is a wasteful number, since it uses less digits than its factorization.

86739420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445669 (or 1445667 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 86739420 is about 9313.4000236219. The cubic root of 86739420 is about 442.6619280331.

The spelling of 86739420 in words is "eighty-six million, seven hundred thirty-nine thousand, four hundred twenty".