91694148 has 48 divisors (see below), whose sum is σ = 263329920. Its totient is φ = 24182784.

The previous prime is 91694147. The next prime is 91694149. The reversal of 91694148 is 84149619.

It is an interprime number because it is at equal distance from previous prime (91694147) and next prime (91694149).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (91694147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40893 + ... + 43076.

It is an arithmetic number, because the mean of its divisors is an integer number (5486040).

Almost surely, 2^91694148 is an apocalyptic number.

It is an amenable number.

91694148 is an abundant number, since it is smaller than the sum of its proper divisors (171635772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91694148 is a wasteful number, since it uses less digits than its factorization.

91694148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83996 (or 83994 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 91694148 is about 9575.7061358419. The cubic root of 91694148 is about 450.9349253785.

The spelling of 91694148 in words is "ninety-one million, six hundred ninety-four thousand, one hundred forty-eight".