86519940 has 48 divisors (see below), whose sum is σ = 260893248. Its totient is φ = 21297024.

The previous prime is 86519921. The next prime is 86519969. The reversal of 86519940 is 4991568.

It is a junction number, because it is equal to n+sod(n) for n = 86519892 and 86519901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54682 + ... + 56241.

It is an arithmetic number, because the mean of its divisors is an integer number (5435276).

Almost surely, 2^86519940 is an apocalyptic number.

It is an amenable number.

86519940 is an abundant number, since it is smaller than the sum of its proper divisors (174373308).

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

86519940 is a wasteful number, since it uses less digits than its factorization.

86519940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110948 (or 110946 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 86519940 is about 9301.6095381391. The cubic root of 86519940 is about 442.2882513330.

The spelling of 86519940 in words is "eighty-six million, five hundred nineteen thousand, nine hundred forty".