4099392 has 84 divisors (see below), whose sum is σ = 12838176. Its totient is φ = 1240320.

The previous prime is 4099369. The next prime is 4099441. The reversal of 4099392 is 2939904.

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 11 ways as a sum of consecutive naturals, for example, 6013 + ... + 6659.

Almost surely, 2^4099392 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 4099392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6419088).

4099392 is an abundant number, since it is smaller than the sum of its proper divisors (8738784).

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

4099392 is a wasteful number, since it uses less digits than its factorization.

4099392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 4099392 is about 2024.6955326666. The cubic root of 4099392 is about 160.0441544804.

It can be divided in two parts, 409 and 9392, that added together give a square (9801 = 99²).

The spelling of 4099392 in words is "four million, ninety-nine thousand, three hundred ninety-two".