9999446 has 8 divisors (see below), whose sum is σ = 15145104. Its totient is φ = 4951080.

The previous prime is 9999433. The next prime is 9999463. The reversal of 9999446 is 6449999.

It is a happy number.

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 = 9999394 and 9999403.

It is a congruent number.

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, 24065 + ... + 24476.

It is an arithmetic number, because the mean of its divisors is an integer number (1893138).

Almost surely, 2^9999446 is an apocalyptic number.

9999446 is a deficient number, since it is larger than the sum of its proper divisors (5145658).

9999446 is a wasteful number, since it uses less digits than its factorization.

9999446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48646.

The product of its digits is 629856, while the sum is 50.

The square root of 9999446 is about 3162.1900638640. The cubic root of 9999446 is about 215.4394904070.

The spelling of 9999446 in words is "nine million, nine hundred ninety-nine thousand, four hundred forty-six".