2144970 has 24 divisors (see below), whose sum is σ = 5577156. Its totient is φ = 571968.

The previous prime is 2144953. The next prime is 2144971. The reversal of 2144970 is 794412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 45369 = 1449^2 + 213^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2144971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11827 + ... + 12006.

2^2144970 is an apocalyptic number.

2144970 is an abundant number, since it is smaller than the sum of its proper divisors (3432186).

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

2144970 is a wasteful number, since it uses less digits than its factorization.

2144970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23846 (or 23843 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2144970 is about 1464.5716097207. The cubic root of 2144970 is about 128.9655577781.

It can be divided in two parts, 214 and 4970, that added together give a square (5184 = 72²).

The spelling of 2144970 in words is "two million, one hundred forty-four thousand, nine hundred seventy".