2156074 has 8 divisors (see below), whose sum is σ = 3247200. Its totient is φ = 1073676.

The previous prime is 2156071. The next prime is 2156083. The reversal of 2156074 is 4706512.

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

It is not an unprimeable number, because it can be changed into a prime (2156071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (405900).

2^2156074 is an apocalyptic number.

2156074 is a deficient number, since it is larger than the sum of its proper divisors (1091126).

2156074 is a wasteful number, since it uses less digits than its factorization.

2156074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2156074 is about 1468.3575858761. The cubic root of 2156074 is about 129.1877162134.

The spelling of 2156074 in words is "two million, one hundred fifty-six thousand, seventy-four".