91478104 has 16 divisors (see below), whose sum is σ = 173938320. Its totient is φ = 45094560.

The previous prime is 91478099. The next prime is 91478119. The reversal of 91478104 is 40187419.

It is a super-2 number, since 2×91478104² = 16736487022869632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91478104.

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, 79959 + ... + 81094.

It is an arithmetic number, because the mean of its divisors is an integer number (10871145).

Almost surely, 2^91478104 is an apocalyptic number.

It is an amenable number.

91478104 is a deficient number, since it is larger than the sum of its proper divisors (82460216).

91478104 is a wasteful number, since it uses less digits than its factorization.

91478104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161130 (or 161126 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 91478104 is about 9564.4186441205. The cubic root of 91478104 is about 450.5804920059.

The spelling of 91478104 in words is "ninety-one million, four hundred seventy-eight thousand, one hundred four".