9434387 has 4 divisors (see below), whose sum is σ = 9664536. Its totient is φ = 9204240.

The previous prime is 9434377. The next prime is 9434401. The reversal of 9434387 is 7834349.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7834349 = 367 ⋅21347.

It is a cyclic number.

It is not a de Polignac number, because 9434387 - 2¹⁸ = 9172243 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9434387.

It is not an unprimeable number, because it can be changed into a prime (9434377) 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, 115013 + ... + 115094.

It is an arithmetic number, because the mean of its divisors is an integer number (2416134).

Almost surely, 2^9434387 is an apocalyptic number.

9434387 is a deficient number, since it is larger than the sum of its proper divisors (230149).

9434387 is a wasteful number, since it uses less digits than its factorization.

9434387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230148.

The product of its digits is 72576, while the sum is 38.

The square root of 9434387 is about 3071.5447253784. The cubic root of 9434387 is about 211.3024644735.

Subtracting from 9434387 its sum of digits (38), we obtain a palindrome (9434349).

It can be divided in two parts, 943438 and 7, that multiplied together give a palindrome (6604066).

The spelling of 9434387 in words is "nine million, four hundred thirty-four thousand, three hundred eighty-seven".