541997728 has 12 divisors (see below), whose sum is σ = 1067058090. Its totient is φ = 270998848.

The previous prime is 541997717. The next prime is 541997759. The reversal of 541997728 is 827799145.

It can be written as a sum of positive squares in only one way, i.e., 347897104 + 194100624 = 18652^2 + 13932^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8468683 + ... + 8468746.

Almost surely, 2^541997728 is an apocalyptic number.

It is an amenable number.

541997728 is a deficient number, since it is larger than the sum of its proper divisors (525060362).

541997728 is a wasteful number, since it uses less digits than its factorization.

541997728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937439 (or 16937431 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 541997728 is about 23280.8446582163. The cubic root of 541997728 is about 815.3282469673.

The spelling of 541997728 in words is "five hundred forty-one million, nine hundred ninety-seven thousand, seven hundred twenty-eight".