9997874 has 8 divisors (see below), whose sum is σ = 15220848. Its totient is φ = 4924260.

The previous prime is 9997873. The next prime is 9997877. The reversal of 9997874 is 4787999.

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

It is not an unprimeable number, because it can be changed into a prime (9997873) 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, 37172 + ... + 37439.

It is an arithmetic number, because the mean of its divisors is an integer number (1902606).

Almost surely, 2^9997874 is an apocalyptic number.

9997874 is a deficient number, since it is larger than the sum of its proper divisors (5222974).

9997874 is a wasteful number, since it uses less digits than its factorization.

9997874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74680.

The product of its digits is 1143072, while the sum is 53.

The square root of 9997874 is about 3161.9414921848. The cubic root of 9997874 is about 215.4282001606.

It can be divided in two parts, 9997 and 874, that multiplied together give a palindrome (8737378).

The spelling of 9997874 in words is "nine million, nine hundred ninety-seven thousand, eight hundred seventy-four".