91492048 has 10 divisors (see below), whose sum is σ = 177265874. Its totient is φ = 45746016.

The previous prime is 91492043. The next prime is 91492057. The reversal of 91492048 is 84029419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87759424 + 3732624 = 9368^2 + 1932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91491998 and 91492016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91492043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859111 + ... + 2859142.

Almost surely, 2^91492048 is an apocalyptic number.

It is an amenable number.

91492048 is a deficient number, since it is larger than the sum of its proper divisors (85773826).

91492048 is a wasteful number, since it uses less digits than its factorization.

91492048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718261 (or 5718255 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 91492048 is about 9565.1475681246. The cubic root of 91492048 is about 450.6033848254.

The spelling of 91492048 in words is "ninety-one million, four hundred ninety-two thousand, forty-eight".