5731390 has 32 divisors (see below), whose sum is σ = 12083904. Its totient is φ = 1916160.

The previous prime is 5731361. The next prime is 5731391. The reversal of 5731390 is 931375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (377622).

Almost surely, 2^5731390 is an apocalyptic number.

5731390 is an abundant number, since it is smaller than the sum of its proper divisors (6352514).

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

5731390 is a wasteful number, since it uses less digits than its factorization.

5731390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 5731390 is about 2394.0321635266. The cubic root of 5731390 is about 178.9589077880.

The spelling of 5731390 in words is "five million, seven hundred thirty-one thousand, three hundred ninety".