5641658 has 16 divisors (see below), whose sum is σ = 9326880. Its totient is φ = 2538000.

The previous prime is 5641633. The next prime is 5641661. The reversal of 5641658 is 8561465.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (582930).

Almost surely, 2^5641658 is an apocalyptic number.

5641658 is a deficient number, since it is larger than the sum of its proper divisors (3685222).

5641658 is a wasteful number, since it uses less digits than its factorization.

5641658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653.

The product of its digits is 28800, while the sum is 35.

The square root of 5641658 is about 2375.2174637283. The cubic root of 5641658 is about 178.0200499235.

It can be divided in two parts, 564 and 1658, that added together give a palindrome (2222).

The spelling of 5641658 in words is "five million, six hundred forty-one thousand, six hundred fifty-eight".