9422391 has 24 divisors (see below), whose sum is σ = 14000112. Its totient is φ = 5632000.

The previous prime is 9422389. The next prime is 9422407. The reversal of 9422391 is 1932249.

9422391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9422391 - 2¹ = 9422389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9422351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36535 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (583338).

Almost surely, 2^9422391 is an apocalyptic number.

9422391 is a deficient number, since it is larger than the sum of its proper divisors (4577721).

9422391 is a wasteful number, since it uses less digits than its factorization.

9422391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 372 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 9422391 is about 3069.5913408791. The cubic root of 9422391 is about 211.2128681396.

It can be divided in two parts, 942 and 2391, that added together give a palindrome (3333).

The spelling of 9422391 in words is "nine million, four hundred twenty-two thousand, three hundred ninety-one".