9943474 has 4 divisors (see below), whose sum is σ = 14915214. Its totient is φ = 4971736.

The previous prime is 9943459. The next prime is 9943477. The reversal of 9943474 is 4743499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4743499 = 419 ⋅11321.

It can be written as a sum of positive squares in only one way, i.e., 9878449 + 65025 = 3143^2 + 255^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9943477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485867 + ... + 2485870.

Almost surely, 2^9943474 is an apocalyptic number.

9943474 is a deficient number, since it is larger than the sum of its proper divisors (4971740).

9943474 is a wasteful number, since it uses less digits than its factorization.

9943474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971739.

The product of its digits is 108864, while the sum is 40.

The square root of 9943474 is about 3153.3274489022. The cubic root of 9943474 is about 215.0367631384.

The spelling of 9943474 in words is "nine million, nine hundred forty-three thousand, four hundred seventy-four".