541988694 has 48 divisors (see below), whose sum is σ = 1266934032. Its totient is φ = 166463424.

The previous prime is 541988693. The next prime is 541988723. The reversal of 541988694 is 496889145.

541988694 is a `hidden beast` number, since 541 + 9 + 8 + 8 + 6 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 541988694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541988693) by changing a digit.

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, 151029 + ... + 154575.

It is an arithmetic number, because the mean of its divisors is an integer number (26394459).

Almost surely, 2^541988694 is an apocalyptic number.

541988694 is an abundant number, since it is smaller than the sum of its proper divisors (724945338).

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

541988694 is a wasteful number, since it uses less digits than its factorization.

541988694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4218 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 541988694 is about 23280.6506352378. The cubic root of 541988694 is about 815.3237169874.

The spelling of 541988694 in words is "five hundred forty-one million, nine hundred eighty-eight thousand, six hundred ninety-four".