2154756 has 12 divisors (see below), whose sum is σ = 5027792. Its totient is φ = 718248.

The previous prime is 2154749. The next prime is 2154791. The reversal of 2154756 is 6574512.

It is a tau number, because it is divible by the number of its divisors (12).

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, 89770 + ... + 89793.

2^2154756 is an apocalyptic number.

It is an amenable number.

2154756 is an abundant number, since it is smaller than the sum of its proper divisors (2873036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154756 is a wasteful number, since it uses less digits than its factorization.

2154756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179570 (or 179568 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 2154756 is about 1467.9087165079. The cubic root of 2154756 is about 129.1613868578.

The spelling of 2154756 in words is "two million, one hundred fifty-four thousand, seven hundred fifty-six".