9921246 has 8 divisors (see below), whose sum is σ = 19842504. Its totient is φ = 3307080.

The previous prime is 9921227. The next prime is 9921259. The reversal of 9921246 is 6421299.

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

9921246 is an admirable number.

It is a super-2 number, since 2×9921246² = 196862244385032, which contains 22 as substring.

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, 826765 + ... + 826776.

It is an arithmetic number, because the mean of its divisors is an integer number (2480313).

Almost surely, 2^9921246 is an apocalyptic number.

9921246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9921246 is a wasteful number, since it uses less digits than its factorization.

9921246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653546.

The product of its digits is 7776, while the sum is 33.

The square root of 9921246 is about 3149.8009460917. The cubic root of 9921246 is about 214.8764099501.

The spelling of 9921246 in words is "nine million, nine hundred twenty-one thousand, two hundred forty-six".