5657949 has 24 divisors (see below), whose sum is σ = 9059232. Its totient is φ = 3373920.

The previous prime is 5657941. The next prime is 5657969. The reversal of 5657949 is 9497565.

It is a happy number.

It is not a de Polignac number, because 5657949 - 2³ = 5657941 is a prime.

5657949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657941) 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 23 ways as a sum of consecutive naturals, for example, 6207 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (377468).

Almost surely, 2^5657949 is an apocalyptic number.

It is an amenable number.

5657949 is a deficient number, since it is larger than the sum of its proper divisors (3401283).

5657949 is a wasteful number, since it uses less digits than its factorization.

5657949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 934 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 5657949 is about 2378.6443618162. The cubic root of 5657949 is about 178.1912370467.

The spelling of 5657949 in words is "five million, six hundred fifty-seven thousand, nine hundred forty-nine".