91940914 has 8 divisors (see below), whose sum is σ = 148519980. Its totient is φ = 42434256.

The previous prime is 91940903. The next prime is 91940917. The reversal of 91940914 is 41904919.

It can be written as a sum of positive squares in 2 ways, for example, as 88266025 + 3674889 = 9395^2 + 1917^2 .

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

It is not an unprimeable number, because it can be changed into a prime (91940917) 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, 1768069 + ... + 1768120.

Almost surely, 2^91940914 is an apocalyptic number.

91940914 is a deficient number, since it is larger than the sum of its proper divisors (56579066).

91940914 is a wasteful number, since it uses less digits than its factorization.

91940914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536204.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 91940914 is about 9588.5824812638. The cubic root of 91940914 is about 451.3390796175.

The spelling of 91940914 in words is "ninety-one million, nine hundred forty thousand, nine hundred fourteen".