91425328 has 10 divisors (see below), whose sum is σ = 177136604. Its totient is φ = 45712656.

The previous prime is 91425311. The next prime is 91425329. The reversal of 91425328 is 82352419.

It is a junction number, because it is equal to n+sod(n) for n = 91425293 and 91425302.

It is not an unprimeable number, because it can be changed into a prime (91425329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857026 + ... + 2857057.

Almost surely, 2^91425328 is an apocalyptic number.

It is an amenable number.

91425328 is a deficient number, since it is larger than the sum of its proper divisors (85711276).

91425328 is a wasteful number, since it uses less digits than its factorization.

91425328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714091 (or 5714085 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 91425328 is about 9561.6592702313. The cubic root of 91425328 is about 450.4938249620.

The spelling of 91425328 in words is "ninety-one million, four hundred twenty-five thousand, three hundred twenty-eight".