5657890 has 32 divisors (see below), whose sum is σ = 11746944. Its totient is φ = 1921920.

The previous prime is 5657887. The next prime is 5657921. The reversal of 5657890 is 987565.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8862 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (367092).

Almost surely, 2^5657890 is an apocalyptic number.

5657890 is an abundant number, since it is smaller than the sum of its proper divisors (6089054).

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

5657890 is a wasteful number, since it uses less digits than its factorization.

5657890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 5657890 is about 2378.6319597617. The cubic root of 5657890 is about 178.1906176633.

The spelling of 5657890 in words is "five million, six hundred fifty-seven thousand, eight hundred ninety".