9140820 has 48 divisors (see below), whose sum is σ = 27565440. Its totient is φ = 2249856.

The previous prime is 9140809. The next prime is 9140851. The reversal of 9140820 is 280419.

9140820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5080 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (574280).

Almost surely, 2^9140820 is an apocalyptic number.

It is an amenable number.

9140820 is an abundant number, since it is smaller than the sum of its proper divisors (18424620).

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

9140820 is a wasteful number, since it uses less digits than its factorization.

9140820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744 (or 11742 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 9140820 is about 3023.3789044710. The cubic root of 9140820 is about 209.0876520086.

The spelling of 9140820 in words is "nine million, one hundred forty thousand, eight hundred twenty".