2151862 has 8 divisors (see below), whose sum is σ = 3234096. Its totient is φ = 1073832.

The previous prime is 2151847. The next prime is 2151869. The reversal of 2151862 is 2681512.

2151862 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 not an unprimeable number, because it can be changed into a prime (2151869) by changing a digit.

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, 1168 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (404262).

2^2151862 is an apocalyptic number.

2151862 is a deficient number, since it is larger than the sum of its proper divisors (1082234).

2151862 is a wasteful number, since it uses less digits than its factorization.

2151862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its digits is 960, while the sum is 25.

The square root of 2151862 is about 1466.9226291799. The cubic root of 2151862 is about 129.1035364527.

The spelling of 2151862 in words is "two million, one hundred fifty-one thousand, eight hundred sixty-two".