2158674 has 32 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 609552.

The previous prime is 2158649. The next prime is 2158679. The reversal of 2158674 is 4768512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4077 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (156000).

2^2158674 is an apocalyptic number.

2158674 is an abundant number, since it is smaller than the sum of its proper divisors (2833326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158674 is a wasteful number, since it uses less digits than its factorization.

2158674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its digits is 13440, while the sum is 33.

The square root of 2158674 is about 1469.2426620542. The cubic root of 2158674 is about 129.2396243169.

The spelling of 2158674 in words is "two million, one hundred fifty-eight thousand, six hundred seventy-four".