2152918 has 8 divisors (see below), whose sum is σ = 3242448. Its totient is φ = 1072104.

The previous prime is 2152907. The next prime is 2152921. The reversal of 2152918 is 8192512.

2152918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 in 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (405306).

2^2152918 is an apocalyptic number.

2152918 is a deficient number, since it is larger than the sum of its proper divisors (1089530).

2152918 is a wasteful number, since it uses less digits than its factorization.

2152918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358.

The product of its digits is 1440, while the sum is 28.

The square root of 2152918 is about 1467.2825222158. The cubic root of 2152918 is about 129.1246516604.

The spelling of 2152918 in words is "two million, one hundred fifty-two thousand, nine hundred eighteen".