91684652 has 12 divisors (see below), whose sum is σ = 168892920. Its totient is φ = 43429536.

The previous prime is 91684627. The next prime is 91684657. The reversal of 91684652 is 25648619.

It is a happy number.

It is a super-2 number, since 2×91684652² = 16812150824722208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91684657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603113 + ... + 603264.

It is an arithmetic number, because the mean of its divisors is an integer number (14074410).

Almost surely, 2^91684652 is an apocalyptic number.

It is an amenable number.

91684652 is a deficient number, since it is larger than the sum of its proper divisors (77208268).

91684652 is a wasteful number, since it uses less digits than its factorization.

91684652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206400 (or 1206398 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 91684652 is about 9575.2102848971. The cubic root of 91684652 is about 450.9193583149.

The spelling of 91684652 in words is "ninety-one million, six hundred eighty-four thousand, six hundred fifty-two".