9561398 has 32 divisors (see below), whose sum is σ = 18275328. Its totient is φ = 3643200.

The previous prime is 9561379. The next prime is 9561401. The reversal of 9561398 is 8931659.

9561398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6578 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (571104).

Almost surely, 2^9561398 is an apocalyptic number.

9561398 is a deficient number, since it is larger than the sum of its proper divisors (8713930).

9561398 is a wasteful number, since it uses less digits than its factorization.

9561398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its digits is 58320, while the sum is 41.

The square root of 9561398 is about 3092.1510312402. The cubic root of 9561398 is about 212.2464648693.

The spelling of 9561398 in words is "nine million, five hundred sixty-one thousand, three hundred ninety-eight".