9742394 has 8 divisors (see below), whose sum is σ = 15473268. Its totient is φ = 4584640.

The previous prime is 9742393. The next prime is 9742399. The reversal of 9742394 is 4932479.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 664225 = 3013^2 + 815^2 .

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 (9742391) 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, 143237 + ... + 143304.

Almost surely, 2^9742394 is an apocalyptic number.

9742394 is a deficient number, since it is larger than the sum of its proper divisors (5730874).

9742394 is a wasteful number, since it uses less digits than its factorization.

9742394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286560.

The product of its digits is 54432, while the sum is 38.

The square root of 9742394 is about 3121.2808268402. The cubic root of 9742394 is about 213.5773677667.

The spelling of 9742394 in words is "nine million, seven hundred forty-two thousand, three hundred ninety-four".