9818974 has 16 divisors (see below), whose sum is σ = 16194816. Its totient is φ = 4427800.

The previous prime is 9818969. The next prime is 9819031. The reversal of 9818974 is 4798189.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 4585.

It is an arithmetic number, because the mean of its divisors is an integer number (1012176).

Almost surely, 2^9818974 is an apocalyptic number.

9818974 is a deficient number, since it is larger than the sum of its proper divisors (6375842).

9818974 is a wasteful number, since it uses less digits than its factorization.

9818974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its digits is 145152, while the sum is 46.

The square root of 9818974 is about 3133.5242140440. The cubic root of 9818974 is about 214.1355155292.

The spelling of 9818974 in words is "nine million, eight hundred eighteen thousand, nine hundred seventy-four".