2099397 has 16 divisors (see below), whose sum is σ = 2952000. Its totient is φ = 1325184.

The previous prime is 2099393. The next prime is 2099411. The reversal of 2099397 is 7939902.

It is not a de Polignac number, because 2099397 - 2² = 2099393 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9 + 9³ + 3⁶ + 9³ + 7² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099393) 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, 4929 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (184500).

2^2099397 is an apocalyptic number.

It is an amenable number.

2099397 is a deficient number, since it is larger than the sum of its proper divisors (852603).

2099397 is a wasteful number, since it uses less digits than its factorization.

2099397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2099397 is about 1448.9296049153. The cubic root of 2099397 is about 128.0456583534.

The spelling of 2099397 in words is "two million, ninety-nine thousand, three hundred ninety-seven".