9975238 has 32 divisors (see below), whose sum is σ = 19224576. Its totient is φ = 3773088.

The previous prime is 9975223. The next prime is 9975253. The reversal of 9975238 is 8325799.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9975223) and next prime (9975253).

It is a junction number, because it is equal to n+sod(n) for n = 9975194 and 9975203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (600768).

Almost surely, 2^9975238 is an apocalyptic number.

9975238 is a deficient number, since it is larger than the sum of its proper divisors (9249338).

9975238 is a wasteful number, since it uses less digits than its factorization.

9975238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its digits is 136080, while the sum is 43.

The square root of 9975238 is about 3158.3600174774. The cubic root of 9975238 is about 215.2654949832.

The spelling of 9975238 in words is "nine million, nine hundred seventy-five thousand, two hundred thirty-eight".