2099544 has 16 divisors (see below), whose sum is σ = 5248920. Its totient is φ = 699840.

The previous prime is 2099543. The next prime is 2099549. The reversal of 2099544 is 4459902.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43717 + ... + 43764.

2^2099544 is an apocalyptic number.

2099544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2099544 is an abundant number, since it is smaller than the sum of its proper divisors (3149376).

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

2099544 is a wasteful number, since it uses less digits than its factorization.

2099544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87490 (or 87486 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2099544 is about 1448.9803311294. The cubic root of 2099544 is about 128.0486468738.

The spelling of 2099544 in words is "two million, ninety-nine thousand, five hundred forty-four".