2153879 has 8 divisors (see below), whose sum is σ = 2651040. Its totient is φ = 1704096.

The previous prime is 2153873. The next prime is 2153887. The reversal of 2153879 is 9783512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153879 - 2¹⁶ = 2088343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11744 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (331380).

2^2153879 is an apocalyptic number.

2153879 is a deficient number, since it is larger than the sum of its proper divisors (497161).

2153879 is a wasteful number, since it uses less digits than its factorization.

2153879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689.

The product of its digits is 15120, while the sum is 35.

The square root of 2153879 is about 1467.6099618087. The cubic root of 2153879 is about 129.1438612992.

The spelling of 2153879 in words is "two million, one hundred fifty-three thousand, eight hundred seventy-nine".