86690461 has 16 divisors (see below), whose sum is σ = 102267648. Its totient is φ = 72446400.

The previous prime is 86690453. The next prime is 86690479. The reversal of 86690461 is 16409668.

It is not a de Polignac number, because 86690461 - 2³ = 86690453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86690491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37635 + ... + 39871.

It is an arithmetic number, because the mean of its divisors is an integer number (6391728).

Almost surely, 2^86690461 is an apocalyptic number.

It is an amenable number.

86690461 is a deficient number, since it is larger than the sum of its proper divisors (15577187).

86690461 is a wasteful number, since it uses less digits than its factorization.

86690461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 86690461 is about 9310.7712355100. The cubic root of 86690461 is about 442.5786273294.

The spelling of 86690461 in words is "eighty-six million, six hundred ninety thousand, four hundred sixty-one".