2156548 has 12 divisors (see below), whose sum is σ = 3854592. Its totient is φ = 1055240.

The previous prime is 2156537. The next prime is 2156597. The reversal of 2156548 is 8456512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (321216).

2^2156548 is an apocalyptic number.

It is an amenable number.

2156548 is a deficient number, since it is larger than the sum of its proper divisors (1698044).

2156548 is a wasteful number, since it uses less digits than its factorization.

2156548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522 (or 11520 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 2156548 is about 1468.5189818317. The cubic root of 2156548 is about 129.1971825691.

It can be divided in two parts, 2156 and 548, that added together give a square (2704 = 52²).

The spelling of 2156548 in words is "two million, one hundred fifty-six thousand, five hundred forty-eight".