9157894 has 4 divisors (see below), whose sum is σ = 13736844. Its totient is φ = 4578946.

The previous prime is 9157873. The next prime is 9157901. The reversal of 9157894 is 4987519.

9157894 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, and also an emirpimes, since its reverse is a distinct semiprime: 4987519 = 19 ⋅262501.

It is a self number, because there is not a number n which added to its sum of digits gives 9157894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289472 + ... + 2289475.

It is an arithmetic number, because the mean of its divisors is an integer number (3434211).

Almost surely, 2^9157894 is an apocalyptic number.

9157894 is a deficient number, since it is larger than the sum of its proper divisors (4578950).

9157894 is a wasteful number, since it uses less digits than its factorization.

9157894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578949.

The product of its digits is 90720, while the sum is 43.

The square root of 9157894 is about 3026.2012490910. The cubic root of 9157894 is about 209.2177549284.

The spelling of 9157894 in words is "nine million, one hundred fifty-seven thousand, eight hundred ninety-four".