2653889 has 12 divisors (see below), whose sum is σ = 3164868. Its totient is φ = 2217600.

The previous prime is 2653883. The next prime is 2653897. The reversal of 2653889 is 9883562.

2653889 = T₁₈₂ + T₁₈₃ + ... + T₂₇₉.

2653889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 1399489 = 1120^2 + 1183^2 .

It is not a de Polignac number, because 2653889 - 2⁴ = 2653873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2653883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (263739).

2^2653889 is an apocalyptic number.

It is an amenable number.

2653889 is a deficient number, since it is larger than the sum of its proper divisors (510979).

2653889 is a wasteful number, since it uses less digits than its factorization.

2653889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1369 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 2653889 is about 1629.0761185408. The cubic root of 2653889 is about 138.4504116811.

The spelling of 2653889 in words is "two million, six hundred fifty-three thousand, eight hundred eighty-nine".