8492640 has 96 divisors (see below), whose sum is σ = 28830816. Its totient is φ = 2088960.

The previous prime is 8492633. The next prime is 8492651. The reversal of 8492640 is 462948.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5560 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (300321).

Almost surely, 2^8492640 is an apocalyptic number.

8492640 is a gapful number since it is divisible by the number (80) 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 8492640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14415408).

8492640 is an abundant number, since it is smaller than the sum of its proper divisors (20338176).

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

8492640 is a wasteful number, since it uses less digits than its factorization.

8492640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8492640 is about 2914.2134444821. The cubic root of 8492640 is about 204.0238342010.

The spelling of 8492640 in words is "eight million, four hundred ninety-two thousand, six hundred forty".