91632060 has 240 divisors, whose sum is σ = 327280800. Its totient is φ = 21275136.

The previous prime is 91632053. The next prime is 91632061. The reversal of 91632060 is 6023619.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91632061) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 400026 + ... + 400254.

It is an arithmetic number, because the mean of its divisors is an integer number (1363670).

Almost surely, 2^91632060 is an apocalyptic number.

91632060 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91632060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163640400).

91632060 is an abundant number, since it is smaller than the sum of its proper divisors (235648740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91632060 is a wasteful number, since it uses less digits than its factorization.

91632060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 91632060 is about 9572.4636327332. The cubic root of 91632060 is about 450.8331232828.

Adding to 91632060 its reverse (6023619), we get a palindrome (97655679).

The spelling of 91632060 in words is "ninety-one million, six hundred thirty-two thousand, sixty".