86003920 has 40 divisors (see below), whose sum is σ = 206415360. Its totient is φ = 33290880.

The previous prime is 86003909. The next prime is 86003941. The reversal of 86003920 is 2930068.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14860 + ... + 19819.

It is an arithmetic number, because the mean of its divisors is an integer number (5160384).

Almost surely, 2^86003920 is an apocalyptic number.

86003920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86003920 is an abundant number, since it is smaller than the sum of its proper divisors (120411440).

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

86003920 is a wasteful number, since it uses less digits than its factorization.

86003920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34723 (or 34717 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 86003920 is about 9273.8298453228. The cubic root of 86003920 is about 441.4072026925.

Adding to 86003920 its reverse (2930068), we get a palindrome (88933988).

The spelling of 86003920 in words is "eighty-six million, three thousand, nine hundred twenty".