9958973 has 2 divisors, whose sum is σ = 9958974. Its totient is φ = 9958972.

The previous prime is 9958969. The next prime is 9958999. The reversal of 9958973 is 3798599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 2679769 = 2698^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 9958973 - 2² = 9958969 is a prime.

It is a super-2 number, since 2×9958973² = 198362286429458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9958913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4979486 + 4979487.

It is an arithmetic number, because the mean of its divisors is an integer number (4979487).

Almost surely, 2^9958973 is an apocalyptic number.

It is an amenable number.

9958973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9958973 is an equidigital number, since it uses as much as digits as its factorization.

9958973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 50.

The square root of 9958973 is about 3155.7840547160. The cubic root of 9958973 is about 215.1484318448.

The spelling of 9958973 in words is "nine million, nine hundred fifty-eight thousand, nine hundred seventy-three".