2156954 has 8 divisors (see below), whose sum is σ = 3250368. Its totient is φ = 1073500.

The previous prime is 2156939. The next prime is 2156993. The reversal of 2156954 is 4596512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2156954.

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, 1922 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (406296).

2^2156954 is an apocalyptic number.

2156954 is a deficient number, since it is larger than the sum of its proper divisors (1093414).

2156954 is a wasteful number, since it uses less digits than its factorization.

2156954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

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

The square root of 2156954 is about 1468.6572098349. The cubic root of 2156954 is about 129.2052897795.

The spelling of 2156954 in words is "two million, one hundred fifty-six thousand, nine hundred fifty-four".