2099457 has 12 divisors (see below), whose sum is σ = 3045120. Its totient is φ = 1393848.

The previous prime is 2099453. The next prime is 2099467. The reversal of 2099457 is 7549902.

It is not a de Polignac number, because 2099457 - 2² = 2099453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2099453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4068 + ... + 4554.

It is an arithmetic number, because the mean of its divisors is an integer number (253760).

2^2099457 is an apocalyptic number.

It is an amenable number.

2099457 is a deficient number, since it is larger than the sum of its proper divisors (945663).

2099457 is a wasteful number, since it uses less digits than its factorization.

2099457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 969 counting only the distinct ones).

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

The square root of 2099457 is about 1448.9503097070. The cubic root of 2099457 is about 128.0468781745.

It can be divided in two parts, 2099 and 457, that added together give a triangular number (2556 = T₇₁).

The spelling of 2099457 in words is "two million, ninety-nine thousand, four hundred fifty-seven".