9661426 has 8 divisors (see below), whose sum is σ = 15122304. Its totient is φ = 4620660.

The previous prime is 9661417. The next prime is 9661439. The reversal of 9661426 is 6241669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9661391 and 9661400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104970 + ... + 105061.

It is an arithmetic number, because the mean of its divisors is an integer number (1890288).

Almost surely, 2^9661426 is an apocalyptic number.

9661426 is a deficient number, since it is larger than the sum of its proper divisors (5460878).

9661426 is a wasteful number, since it uses less digits than its factorization.

9661426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210056.

The product of its digits is 15552, while the sum is 34.

The square root of 9661426 is about 3108.2834491082. The cubic root of 9661426 is about 212.9840481195.

The spelling of 9661426 in words is "nine million, six hundred sixty-one thousand, four hundred twenty-six".