91830364 has 6 divisors (see below), whose sum is σ = 160703144. Its totient is φ = 45915180.

The previous prime is 91830331. The next prime is 91830391. The reversal of 91830364 is 46303819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11478792 + ... + 11478799.

Almost surely, 2^91830364 is an apocalyptic number.

It is an amenable number.

91830364 is a deficient number, since it is larger than the sum of its proper divisors (68872780).

91830364 is a wasteful number, since it uses less digits than its factorization.

91830364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22957595 (or 22957593 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 91830364 is about 9582.8160787944. The cubic root of 91830364 is about 451.1581099613.

The spelling of 91830364 in words is "ninety-one million, eight hundred thirty thousand, three hundred sixty-four".