9131442 has 16 divisors (see below), whose sum is σ = 18652032. Its totient is φ = 2978960.

The previous prime is 9131429. The next prime is 9131443. The reversal of 9131442 is 2441319.

9131442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9131443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15909 + ... + 16472.

It is an arithmetic number, because the mean of its divisors is an integer number (1165752).

Almost surely, 2^9131442 is an apocalyptic number.

9131442 is an abundant number, since it is smaller than the sum of its proper divisors (9520590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9131442 is a wasteful number, since it uses less digits than its factorization.

9131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32433.

The product of its digits is 864, while the sum is 24.

The square root of 9131442 is about 3021.8275926995. The cubic root of 9131442 is about 209.0161232344.

The spelling of 9131442 in words is "nine million, one hundred thirty-one thousand, four hundred forty-two".