5398399806 has 16 divisors (see below), whose sum is σ = 10798818048. Its totient is φ = 1799130200.

The previous prime is 5398399781. The next prime is 5398399807. The reversal of 5398399806 is 6089938935.

It is a self number, because there is not a number n which added to its sum of digits gives 5398399806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398399807) 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, 48150 + ... + 114521.

It is an arithmetic number, because the mean of its divisors is an integer number (674926128).

Almost surely, 2^5398399806 is an apocalyptic number.

5398399806 is an abundant number, since it is smaller than the sum of its proper divisors (5400418242).

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

5398399806 is a wasteful number, since it uses less digits than its factorization.

5398399806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168207.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The square root of 5398399806 is about 73473.8035356820. The cubic root of 5398399806 is about 1754.2373296723.

The spelling of 5398399806 in words is "five billion, three hundred ninety-eight million, three hundred ninety-nine thousand, eight hundred six".