4099572 has 30 divisors (see below), whose sum is σ = 10717938. Its totient is φ = 1366416.

The previous prime is 4099561. The next prime is 4099591. The reversal of 4099572 is 2759904.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 1920996 = 1476^2 + 1386^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6003 + ... + 6650.

Almost surely, 2^4099572 is an apocalyptic number.

It is an amenable number.

4099572 is an abundant number, since it is smaller than the sum of its proper divisors (6618366).

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

4099572 is a wasteful number, since it uses less digits than its factorization.

4099572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12669 (or 12658 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 4099572 is about 2024.7399833065. The cubic root of 4099572 is about 160.0464969031.

The spelling of 4099572 in words is "four million, ninety-nine thousand, five hundred seventy-two".