86692540 has 48 divisors (see below), whose sum is σ = 199311840. Its totient is φ = 31412480.

The previous prime is 86692531. The next prime is 86692561. The reversal of 86692540 is 4529668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86692493 and 86692502.

It is a congruent number.

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, 85074 + ... + 86086.

It is an arithmetic number, because the mean of its divisors is an integer number (4152330).

Almost surely, 2^86692540 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 86692540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99655920).

86692540 is an abundant number, since it is smaller than the sum of its proper divisors (112619300).

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

86692540 is a wasteful number, since it uses less digits than its factorization.

86692540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 86692540 is about 9310.8828797274. The cubic root of 86692540 is about 442.5821652566.

The spelling of 86692540 in words is "eighty-six million, six hundred ninety-two thousand, five hundred forty".