86690740 has 24 divisors (see below), whose sum is σ = 182397600. Its totient is φ = 34610208.

The previous prime is 86690719. The next prime is 86690767. The reversal of 86690740 is 4709668.

It is a junction number, because it is equal to n+sod(n) for n = 86690693 and 86690702.

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, 7411 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (7599900).

Almost surely, 2^86690740 is an apocalyptic number.

It is an amenable number.

86690740 is an abundant number, since it is smaller than the sum of its proper divisors (95706860).

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

86690740 is a wasteful number, since it uses less digits than its factorization.

86690740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 86690740 is about 9310.7862181451. The cubic root of 86690740 is about 442.5791021195.

The spelling of 86690740 in words is "eighty-six million, six hundred ninety thousand, seven hundred forty".