543749904 has 120 divisors (see below), whose sum is σ = 1609227360. Its totient is φ = 170919936.

The previous prime is 543749897. The next prime is 543749929. The reversal of 543749904 is 409947345.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 543749904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 965527 + ... + 966089.

It is an arithmetic number, because the mean of its divisors is an integer number (13410228).

Almost surely, 2^543749904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543749904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804613680).

543749904 is an abundant number, since it is smaller than the sum of its proper divisors (1065477456).

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

543749904 is a wasteful number, since it uses less digits than its factorization.

543749904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 543749904 is about 23318.4455742659. The cubic root of 543749904 is about 816.2059024806.

The spelling of 543749904 in words is "five hundred forty-three million, seven hundred forty-nine thousand, nine hundred four".