9141840 has 60 divisors (see below), whose sum is σ = 30703764. Its totient is φ = 2437632.

The previous prime is 9141823. The next prime is 9141851. The reversal of 9141840 is 481419.

9141840 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 6594624 = 1596^2 + 2568^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5629 + ... + 7068.

Almost surely, 2^9141840 is an apocalyptic number.

9141840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9141840 is an abundant number, since it is smaller than the sum of its proper divisors (21561924).

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

9141840 is a wasteful number, since it uses less digits than its factorization.

9141840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716 (or 12707 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 9141840 is about 3023.5475852052. The cubic root of 9141840 is about 209.0954288993.

The spelling of 9141840 in words is "nine million, one hundred forty-one thousand, eight hundred forty".