5728690 has 32 divisors (see below), whose sum is σ = 11845440. Its totient is φ = 1972800.

The previous prime is 5728661. The next prime is 5728691. The reversal of 5728690 is 968275.

It is a super-2 number, since 2×5728690² = 65635778232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728691) 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 15 ways as a sum of consecutive naturals, for example, 720 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (370170).

Almost surely, 2^5728690 is an apocalyptic number.

5728690 is an abundant number, since it is smaller than the sum of its proper divisors (6116750).

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

5728690 is a wasteful number, since it uses less digits than its factorization.

5728690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5728690 is about 2393.4681949004. The cubic root of 5728690 is about 178.9308014621.

The spelling of 5728690 in words is "five million, seven hundred twenty-eight thousand, six hundred ninety".