541997928 has 96 divisors (see below), whose sum is σ = 1506084840. Its totient is φ = 176017920.

The previous prime is 541997909. The next prime is 541997947. The reversal of 541997928 is 829799145.

541997928 is a `hidden beast` number, since 541 + 9 + 9 + 7 + 92 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (541997909) and next prime (541997947).

It can be written as a sum of positive squares in 4 ways, for example, as 528908004 + 13089924 = 22998^2 + 3618^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659758 + ... + 660578.

Almost surely, 2^541997928 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 541997928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753042420).

541997928 is an abundant number, since it is smaller than the sum of its proper divisors (964086912).

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

541997928 is a wasteful number, since it uses less digits than its factorization.

541997928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1052 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 541997928 is about 23280.8489535927. The cubic root of 541997928 is about 815.3283472540.

The spelling of 541997928 in words is "five hundred forty-one million, nine hundred ninety-seven thousand, nine hundred twenty-eight".