91797446 has 8 divisors (see below), whose sum is σ = 148288224. Its totient is φ = 42368040.

The previous prime is 91797403. The next prime is 91797457. The reversal of 91797446 is 64479719.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91797446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765310 + ... + 1765361.

It is an arithmetic number, because the mean of its divisors is an integer number (18536028).

Almost surely, 2^91797446 is an apocalyptic number.

91797446 is a deficient number, since it is larger than the sum of its proper divisors (56490778).

91797446 is a wasteful number, since it uses less digits than its factorization.

91797446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530686.

The product of its digits is 381024, while the sum is 47.

The square root of 91797446 is about 9581.0983712725. The cubic root of 91797446 is about 451.1041953412.

The spelling of 91797446 in words is "ninety-one million, seven hundred ninety-seven thousand, four hundred forty-six".