9550890398 has 64 divisors (see below), whose sum is σ = 17672601600. Its totient is φ = 3779952480.

The previous prime is 9550890397. The next prime is 9550890403. The reversal of 9550890398 is 8930980559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9550890397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3386633 + ... + 3389451.

It is an arithmetic number, because the mean of its divisors is an integer number (276134400).

Almost surely, 2^9550890398 is an apocalyptic number.

9550890398 is a deficient number, since it is larger than the sum of its proper divisors (8121711202).

9550890398 is a wasteful number, since it uses less digits than its factorization.

9550890398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 9550890398 is about 97728.6569947628. The cubic root of 9550890398 is about 2121.6868618578.

The spelling of 9550890398 in words is "nine billion, five hundred fifty million, eight hundred ninety thousand, three hundred ninety-eight".