9800739 has 24 divisors (see below), whose sum is σ = 15356432. Its totient is φ = 5987520.

The previous prime is 9800731. The next prime is 9800741. The reversal of 9800739 is 9370089.

It is not a de Polignac number, because 9800739 - 2³ = 9800731 is a prime.

It is a super-2 number, since 2×9800739² = 192108969892242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9800731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24489 + ... + 24885.

Almost surely, 2^9800739 is an apocalyptic number.

9800739 is a deficient number, since it is larger than the sum of its proper divisors (5555693).

9800739 is a wasteful number, since it uses less digits than its factorization.

9800739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9800739 is about 3130.6131987200. The cubic root of 9800739 is about 214.0028750305.

The spelling of 9800739 in words is "nine million, eight hundred thousand, seven hundred thirty-nine".