92640 has 48 divisors (see below), whose sum is σ = 293328. Its totient is φ = 24576.

The previous prime is 92639. The next prime is 92641. The reversal of 92640 is 4629.

It is an interprime number because it is at equal distance from previous prime (92639) and next prime (92641).

It is a tau number, because it is divible by the number of its divisors (48).

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 92640.

It is not an unprimeable number, because it can be changed into a prime (92641) 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, 384 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (6111).

2⁹²⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 92640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146664).

92640 is an abundant number, since it is smaller than the sum of its proper divisors (200688).

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

92640 is a wasteful number, since it uses less digits than its factorization.

92640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 92640 is about 304.3681980759. The cubic root of 92640 is about 45.2480133027.

The spelling of 92640 in words is "ninety-two thousand, six hundred forty".