2149260 has 48 divisors (see below), whose sum is σ = 6090336. Its totient is φ = 566272.

The previous prime is 2149249. The next prime is 2149283. The reversal of 2149260 is 629412.

2149260 = 78² + 79² + ... + 190².

It is a self number, because there is not a number n which added to its sum of digits gives 2149260.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6622 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (126882).

2^2149260 is an apocalyptic number.

2149260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045168).

2149260 is an abundant number, since it is smaller than the sum of its proper divisors (3941076).

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

2149260 is a wasteful number, since it uses less digits than its factorization.

2149260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2149260 is about 1466.0354702394. The cubic root of 2149260 is about 129.0514787631.

The spelling of 2149260 in words is "two million, one hundred forty-nine thousand, two hundred sixty".