3137969 has 4 divisors (see below), whose sum is σ = 3169140. Its totient is φ = 3106800.

The previous prime is 3137941. The next prime is 3137977. The reversal of 3137969 is 9697313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9697313 = 101 ⋅96013.

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 616225 = 1588^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 3137969 - 2¹² = 3133873 is a prime.

It is a super-2 number, since 2×3137969² = 19693698889922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3137999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15434 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (792285).

Almost surely, 2^3137969 is an apocalyptic number.

It is an amenable number.

3137969 is a deficient number, since it is larger than the sum of its proper divisors (31171).

3137969 is a wasteful number, since it uses less digits than its factorization.

3137969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31170.

The product of its digits is 30618, while the sum is 38.

The square root of 3137969 is about 1771.4313421637. The cubic root of 3137969 is about 146.4028562304.

The spelling of 3137969 in words is "three million, one hundred thirty-seven thousand, nine hundred sixty-nine".