9997954 has 8 divisors (see below), whose sum is σ = 15010380. Its totient is φ = 4994496.

The previous prime is 9997951. The next prime is 9997957. The reversal of 9997954 is 4597999.

It is an interprime number because it is at equal distance from previous prime (9997951) and next prime (9997957).

It can be written as a sum of positive squares in 2 ways, for example, as 9891025 + 106929 = 3145^2 + 327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9997954² = 199918168372232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9997951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982 + ... + 5374.

Almost surely, 2^9997954 is an apocalyptic number.

9997954 is a deficient number, since it is larger than the sum of its proper divisors (5012426).

9997954 is a wasteful number, since it uses less digits than its factorization.

9997954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484.

The product of its digits is 918540, while the sum is 52.

The square root of 9997954 is about 3161.9541426150. The cubic root of 9997954 is about 215.4287747564.

The spelling of 9997954 in words is "nine million, nine hundred ninety-seven thousand, nine hundred fifty-four".