5688690 has 64 divisors (see below), whose sum is σ = 15814656. Its totient is φ = 1282752.

The previous prime is 5688689. The next prime is 5688701. The reversal of 5688690 is 968865.

It is a super-2 number, since 2×5688690² = 64722387832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21499 + ... + 21761.

It is an arithmetic number, because the mean of its divisors is an integer number (247104).

Almost surely, 2^5688690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5688690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7907328).

5688690 is an abundant number, since it is smaller than the sum of its proper divisors (10125966).

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

5688690 is a wasteful number, since it uses less digits than its factorization.

5688690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 5688690 is about 2385.0974822845. The cubic root of 5688690 is about 178.5133729751.

The spelling of 5688690 in words is "five million, six hundred eighty-eight thousand, six hundred ninety".