2154956 has 6 divisors (see below), whose sum is σ = 3771180. Its totient is φ = 1077476.

The previous prime is 2154953. The next prime is 2154967. The reversal of 2154956 is 6594512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2154953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269366 + ... + 269373.

It is an arithmetic number, because the mean of its divisors is an integer number (628530).

2^2154956 is an apocalyptic number.

It is an amenable number.

2154956 is a deficient number, since it is larger than the sum of its proper divisors (1616224).

2154956 is a wasteful number, since it uses less digits than its factorization.

2154956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538743 (or 538741 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 2154956 is about 1467.9768390543. The cubic root of 2154956 is about 129.1653828986.

The spelling of 2154956 in words is "two million, one hundred fifty-four thousand, nine hundred fifty-six".