9997264 has 10 divisors (see below), whose sum is σ = 19369730. Its totient is φ = 4998624.

The previous prime is 9997237. The next prime is 9997291. The reversal of 9997264 is 4627999.

It is an interprime number because it is at equal distance from previous prime (9997237) and next prime (9997291).

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 11664 = 3160^2 + 108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312399 + ... + 312430.

It is an arithmetic number, because the mean of its divisors is an integer number (1936973).

Almost surely, 2^9997264 is an apocalyptic number.

It is an amenable number.

9997264 is a deficient number, since it is larger than the sum of its proper divisors (9372466).

9997264 is a wasteful number, since it uses less digits than its factorization.

9997264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624837 (or 624831 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 9997264 is about 3161.8450309906. The cubic root of 9997264 is about 215.4238187666.

The spelling of 9997264 in words is "nine million, nine hundred ninety-seven thousand, two hundred sixty-four".