3137949 has 6 divisors (see below), whose sum is σ = 4532606. Its totient is φ = 2091960.

The previous prime is 3137941. The next prime is 3137977. The reversal of 3137949 is 9497313.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 842724 = 1515^2 + 918^2 .

It is not a de Polignac number, because 3137949 - 2³ = 3137941 is a prime.

It is a Duffinian number.

3137949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3137941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174322 + ... + 174339.

Almost surely, 2^3137949 is an apocalyptic number.

It is an amenable number.

3137949 is a deficient number, since it is larger than the sum of its proper divisors (1394657).

3137949 is a wasteful number, since it uses less digits than its factorization.

3137949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348667 (or 348664 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3137949 is about 1771.4256970023. The cubic root of 3137949 is about 146.4025451945.

The spelling of 3137949 in words is "three million, one hundred thirty-seven thousand, nine hundred forty-nine".