86925420 has 144 divisors (see below), whose sum is σ = 287794080. Its totient is φ = 21777408.

The previous prime is 86925343. The next prime is 86925473. The reversal of 86925420 is 2452968.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155782 + ... + 156338.

It is an arithmetic number, because the mean of its divisors is an integer number (1998570).

Almost surely, 2^86925420 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 86925420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143897040).

86925420 is an abundant number, since it is smaller than the sum of its proper divisors (200868660).

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

86925420 is a wasteful number, since it uses less digits than its factorization.

86925420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 86925420 is about 9323.3802882860. The cubic root of 86925420 is about 442.9781100595.

The spelling of 86925420 in words is "eighty-six million, nine hundred twenty-five thousand, four hundred twenty".