2158274 has 8 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 1032196.

The previous prime is 2158259. The next prime is 2158291. The reversal of 2158274 is 4728512.

2158274 is nontrivially palindromic in base 4.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23414 + ... + 23505.

It is an arithmetic number, because the mean of its divisors is an integer number (422280).

2^2158274 is an apocalyptic number.

2158274 is a deficient number, since it is larger than the sum of its proper divisors (1219966).

2158274 is a wasteful number, since it uses less digits than its factorization.

2158274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46944.

The product of its digits is 4480, while the sum is 29.

The square root of 2158274 is about 1469.1065311951. The cubic root of 2158274 is about 129.2316411687.

The spelling of 2158274 in words is "two million, one hundred fifty-eight thousand, two hundred seventy-four".