5566398 has 16 divisors (see below), whose sum is σ = 11370240. Its totient is φ = 1815896.

The previous prime is 5566397. The next prime is 5566399. The reversal of 5566398 is 8936655.

It is an interprime number because it is at equal distance from previous prime (5566397) and next prime (5566399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9588 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^5566398 is an apocalyptic number.

5566398 is an abundant number, since it is smaller than the sum of its proper divisors (5803842).

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

5566398 is a wasteful number, since it uses less digits than its factorization.

5566398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791.

The product of its digits is 194400, while the sum is 42.

The square root of 5566398 is about 2359.3215126388. The cubic root of 5566398 is about 177.2249048218.

The spelling of 5566398 in words is "five million, five hundred sixty-six thousand, three hundred ninety-eight".