9031394 has 4 divisors (see below), whose sum is σ = 13547094. Its totient is φ = 4515696.

The previous prime is 9031391. The next prime is 9031409. The reversal of 9031394 is 4931309.

9031394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9030025 + 1369 = 3005^2 + 37^2 .

It is not an unprimeable number, because it can be changed into a prime (9031391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2257847 + ... + 2257850.

Almost surely, 2^9031394 is an apocalyptic number.

9031394 is a deficient number, since it is larger than the sum of its proper divisors (4515700).

9031394 is a wasteful number, since it uses less digits than its factorization.

9031394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515699.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 9031394 is about 3005.2277783889. The cubic root of 9031394 is about 208.2499614492.

The spelling of 9031394 in words is "nine million, thirty-one thousand, three hundred ninety-four".