2151676 has 6 divisors (see below), whose sum is σ = 3765440. Its totient is φ = 1075836.

The previous prime is 2151659. The next prime is 2151683. The reversal of 2151676 is 6761512.

2151676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268956 + ... + 268963.

2^2151676 is an apocalyptic number.

It is an amenable number.

2151676 is a deficient number, since it is larger than the sum of its proper divisors (1613764).

2151676 is a wasteful number, since it uses less digits than its factorization.

2151676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537923 (or 537921 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2151676 is about 1466.8592297831. The cubic root of 2151676 is about 129.0998165813.

Subtracting from 2151676 its product of digits (2520), we obtain a square (2149156 = 1466²).

It can be divided in two parts, 215 and 1676, that added together give a triangular number (1891 = T₆₁).

The spelling of 2151676 in words is "two million, one hundred fifty-one thousand, six hundred seventy-six".