8490372 has 48 divisors (see below), whose sum is σ = 21821184. Its totient is φ = 2548000.

The previous prime is 8490341. The next prime is 8490379. The reversal of 8490372 is 2730948.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8490379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17047 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (454608).

Almost surely, 2^8490372 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 8490372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10910592).

8490372 is an abundant number, since it is smaller than the sum of its proper divisors (13330812).

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

8490372 is a wasteful number, since it uses less digits than its factorization.

8490372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 8490372 is about 2913.8242912022. The cubic root of 8490372 is about 204.0056707382.

The spelling of 8490372 in words is "eight million, four hundred ninety thousand, three hundred seventy-two".