91697036 has 6 divisors (see below), whose sum is σ = 160469820. Its totient is φ = 45848516.

The previous prime is 91697029. The next prime is 91697041. The reversal of 91697036 is 63079619.

It is a happy number.

It is a super-2 number, since 2×91697036² = 16816692822370592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91696984 and 91697002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11462126 + ... + 11462133.

It is an arithmetic number, because the mean of its divisors is an integer number (26744970).

Almost surely, 2^91697036 is an apocalyptic number.

It is an amenable number.

91697036 is a deficient number, since it is larger than the sum of its proper divisors (68772784).

91697036 is a wasteful number, since it uses less digits than its factorization.

91697036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22924263 (or 22924261 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 91697036 is about 9575.8569329329. The cubic root of 91697036 is about 450.9396595461.

The spelling of 91697036 in words is "ninety-one million, six hundred ninety-seven thousand, thirty-six".