904140543 has 16 divisors (see below), whose sum is σ = 1222054400. Its totient is φ = 594509760.

The previous prime is 904140541. The next prime is 904140553. The reversal of 904140543 is 345041409.

It is not a de Polignac number, because 904140543 - 2¹ = 904140541 is a prime.

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 904140543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904140541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380148 + ... + 382518.

It is an arithmetic number, because the mean of its divisors is an integer number (76378400).

Almost surely, 2^904140543 is an apocalyptic number.

904140543 is a deficient number, since it is larger than the sum of its proper divisors (317913857).

904140543 is a wasteful number, since it uses less digits than its factorization.

904140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 904140543 is about 30068.9298612372. The cubic root of 904140543 is about 966.9677310499.

The spelling of 904140543 in words is "nine hundred four million, one hundred forty thousand, five hundred forty-three".