91382630 has 16 divisors (see below), whose sum is σ = 166087584. Its totient is φ = 36197760.

The previous prime is 91382597. The next prime is 91382639. The reversal of 91382630 is 3628319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91382639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43331 + ... + 45390.

It is an arithmetic number, because the mean of its divisors is an integer number (10380474).

Almost surely, 2^91382630 is an apocalyptic number.

91382630 is a deficient number, since it is larger than the sum of its proper divisors (74704954).

91382630 is a wasteful number, since it uses less digits than its factorization.

91382630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88831.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 91382630 is about 9559.4262380124. The cubic root of 91382630 is about 450.4236832737.

The spelling of 91382630 in words is "ninety-one million, three hundred eighty-two thousand, six hundred thirty".