9958281 has 12 divisors (see below), whose sum is σ = 13754832. Its totient is φ = 6408304.

The previous prime is 9958279. The next prime is 9958283. The reversal of 9958281 is 1828599.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9958279) and next prime (9958283).

It is not a de Polignac number, because 9958281 - 2¹ = 9958279 is a prime.

It is a super-2 number, since 2×9958281² = 198334720949922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9958283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (1146236).

Almost surely, 2^9958281 is an apocalyptic number.

It is an amenable number.

9958281 is a deficient number, since it is larger than the sum of its proper divisors (3796551).

9958281 is a wasteful number, since it uses less digits than its factorization.

9958281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 3979 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 9958281 is about 3155.6744128633. The cubic root of 9958281 is about 215.1434485277.

The spelling of 9958281 in words is "nine million, nine hundred fifty-eight thousand, two hundred eighty-one".