9998737 has 16 divisors (see below), whose sum is σ = 12275712. Its totient is φ = 7948800.

The previous prime is 9998719. The next prime is 9998741. The reversal of 9998737 is 7378999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9998737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112 + ... + 9262.

It is an arithmetic number, because the mean of its divisors is an integer number (767232).

Almost surely, 2^9998737 is an apocalyptic number.

It is an amenable number.

9998737 is a deficient number, since it is larger than the sum of its proper divisors (2276975).

9998737 is a wasteful number, since it uses less digits than its factorization.

9998737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 857304, while the sum is 52.

The square root of 9998737 is about 3162.0779560283. The cubic root of 9998737 is about 215.4343984513.

The spelling of 9998737 in words is "nine million, nine hundred ninety-eight thousand, seven hundred thirty-seven".