91394498 has 8 divisors (see below), whose sum is σ = 147637308. Its totient is φ = 42182064.

The previous prime is 91394491. The next prime is 91394509. The reversal of 91394498 is 89449319.

91394498 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 91259809 + 134689 = 9553^2 + 367^2 .

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 (91394491) 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, 1757561 + ... + 1757612.

Almost surely, 2^91394498 is an apocalyptic number.

91394498 is a deficient number, since it is larger than the sum of its proper divisors (56242810).

91394498 is a wasteful number, since it uses less digits than its factorization.

91394498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515188.

The product of its digits is 279936, while the sum is 47.

The square root of 91394498 is about 9560.0469664118. The cubic root of 91394498 is about 450.4431814974.

The spelling of 91394498 in words is "ninety-one million, three hundred ninety-four thousand, four hundred ninety-eight".