2031970 has 16 divisors (see below), whose sum is σ = 3674808. Its totient is φ = 808960.

The previous prime is 2031961. The next prime is 2031977. The reversal of 2031970 is 791302.

It can be written as a sum of positive squares in 4 ways, for example, as 1560001 + 471969 = 1249^2 + 687^2 .

It is not an unprimeable number, because it can be changed into a prime (2031977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 3490.

2^2031970 is an apocalyptic number.

2031970 is a deficient number, since it is larger than the sum of its proper divisors (1642838).

2031970 is a wasteful number, since it uses less digits than its factorization.

2031970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2031970 is about 1425.4718517038. The cubic root of 2031970 is about 126.6598872949.

The spelling of 2031970 in words is "two million, thirty-one thousand, nine hundred seventy".