2158934 has 8 divisors (see below), whose sum is σ = 3350160. Its totient is φ = 1042216.

The previous prime is 2158931. The next prime is 2158979. The reversal of 2158934 is 4398512.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2158934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18554 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (418770).

2^2158934 is an apocalyptic number.

2158934 is a deficient number, since it is larger than the sum of its proper divisors (1191226).

2158934 is a wasteful number, since it uses less digits than its factorization.

2158934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37254.

The product of its digits is 8640, while the sum is 32.

The square root of 2158934 is about 1469.3311403492. The cubic root of 2158934 is about 129.2448128344.

The spelling of 2158934 in words is "two million, one hundred fifty-eight thousand, nine hundred thirty-four".