91948132 has 18 divisors (see below), whose sum is σ = 162021174. Its totient is φ = 45658080.

The previous prime is 91948123. The next prime is 91948133. The reversal of 91948132 is 23184919.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 42302016 = 7046^2 + 6504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91948091 and 91948100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91948133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293608 + ... + 293920.

Almost surely, 2^91948132 is an apocalyptic number.

It is an amenable number.

91948132 is a deficient number, since it is larger than the sum of its proper divisors (70073042).

91948132 is a wasteful number, since it uses less digits than its factorization.

91948132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 586 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 91948132 is about 9588.9588590211. The cubic root of 91948132 is about 451.3508903921.

The spelling of 91948132 in words is "ninety-one million, nine hundred forty-eight thousand, one hundred thirty-two".