2152894 has 4 divisors (see below), whose sum is σ = 3229344. Its totient is φ = 1076446.

The previous prime is 2152883. The next prime is 2152903. The reversal of 2152894 is 4982512.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538222 + ... + 538225.

It is an arithmetic number, because the mean of its divisors is an integer number (807336).

2^2152894 is an apocalyptic number.

2152894 is a deficient number, since it is larger than the sum of its proper divisors (1076450).

2152894 is a wasteful number, since it uses less digits than its factorization.

2152894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076449.

The product of its digits is 5760, while the sum is 31.

The square root of 2152894 is about 1467.2743438090. The cubic root of 2152894 is about 129.1241718460.

The spelling of 2152894 in words is "two million, one hundred fifty-two thousand, eight hundred ninety-four".