541938728 has 8 divisors (see below), whose sum is σ = 1016135130. Its totient is φ = 270969360.

The previous prime is 541938721. The next prime is 541938751. The reversal of 541938728 is 827839145.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 486555364 + 55383364 = 22058^2 + 7442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (541938721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33871163 + ... + 33871178.

Almost surely, 2^541938728 is an apocalyptic number.

It is an amenable number.

541938728 is a deficient number, since it is larger than the sum of its proper divisors (474196402).

541938728 is a wasteful number, since it uses less digits than its factorization.

541938728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67742347 (or 67742343 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 541938728 is about 23279.5774875748. The cubic root of 541938728 is about 815.2986612884.

The spelling of 541938728 in words is "five hundred forty-one million, nine hundred thirty-eight thousand, seven hundred twenty-eight".