5687658 has 56 divisors (see below), whose sum is σ = 13220928. Its totient is φ = 1833192.

The previous prime is 5687657. The next prime is 5687687. The reversal of 5687658 is 8567865.

5687658 is nontrivially palindromic in base 8.

Its product of digits (403200) is a multiple of the sum of its prime factors (150).

It is not an unprimeable number, because it can be changed into a prime (5687651) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 68485 + ... + 68567.

It is an arithmetic number, because the mean of its divisors is an integer number (236088).

Almost surely, 2^5687658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5687658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6610464).

5687658 is an abundant number, since it is smaller than the sum of its proper divisors (7533270).

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

5687658 is an equidigital number, since it uses as much as digits as its factorization.

5687658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 135 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5687658 is about 2384.8811291131. The cubic root of 5687658 is about 178.5025774644.

The spelling of 5687658 in words is "five million, six hundred eighty-seven thousand, six hundred fifty-eight".