2155592 has 16 divisors (see below), whose sum is σ = 4062960. Its totient is φ = 1072144.

The previous prime is 2155579. The next prime is 2155597. The reversal of 2155592 is 2955512.

It is not an unprimeable number, because it can be changed into a prime (2155597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (253935).

2^2155592 is an apocalyptic number.

It is an amenable number.

2155592 is a deficient number, since it is larger than the sum of its proper divisors (1907368).

2155592 is a wasteful number, since it uses less digits than its factorization.

2155592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1416 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 2155592 is about 1468.1934477445. The cubic root of 2155592 is about 129.1780886650.

The spelling of 2155592 in words is "two million, one hundred fifty-five thousand, five hundred ninety-two".