2149270 has 16 divisors (see below), whose sum is σ = 3891888. Its totient is φ = 854560.

The previous prime is 2149249. The next prime is 2149283. The reversal of 2149270 is 729412.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (243243).

2^2149270 is an apocalyptic number.

2149270 is a deficient number, since it is larger than the sum of its proper divisors (1742618).

2149270 is a wasteful number, since it uses less digits than its factorization.

2149270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2149270 is about 1466.0388807941. The cubic root of 2149270 is about 129.0516789115.

The spelling of 2149270 in words is "two million, one hundred forty-nine thousand, two hundred seventy".