2159274 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 596160.

The previous prime is 2159251. The next prime is 2159281. The reversal of 2159274 is 4729512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45919 + ... + 45965.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2159274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580480).

2159274 is an abundant number, since it is smaller than the sum of its proper divisors (3001686).

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

2159274 is a wasteful number, since it uses less digits than its factorization.

2159274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115.

The product of its digits is 5040, while the sum is 30.

The square root of 2159274 is about 1469.4468346966. The cubic root of 2159274 is about 129.2515971903.

It can be divided in two parts, 21 and 59274, that added together give a palindrome (59295).

The spelling of 2159274 in words is "two million, one hundred fifty-nine thousand, two hundred seventy-four".