5641398 has 24 divisors (see below), whose sum is σ = 13969488. Its totient is φ = 1611792.

The previous prime is 5641393. The next prime is 5641421. The reversal of 5641398 is 8931465.

5641398 is a `hidden beast` number, since 5 + 641 + 3 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22261 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (582062).

Almost surely, 2^5641398 is an apocalyptic number.

5641398 is an abundant number, since it is smaller than the sum of its proper divisors (8328090).

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

5641398 is a wasteful number, since it uses less digits than its factorization.

5641398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788 (or 44785 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5641398 is about 2375.1627312671. The cubic root of 5641398 is about 178.0173151527.

The spelling of 5641398 in words is "five million, six hundred forty-one thousand, three hundred ninety-eight".