541636398 has 12 divisors (see below), whose sum is σ = 1173545568. Its totient is φ = 180545460.

The previous prime is 541636387. The next prime is 541636427. The reversal of 541636398 is 893636145.

541636398 is a `hidden beast` number, since 5 + 4 + 1 + 6 + 3 + 639 + 8 = 666.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 15045438 + ... + 15045473.

It is an arithmetic number, because the mean of its divisors is an integer number (97795464).

Almost surely, 2^541636398 is an apocalyptic number.

541636398 is an abundant number, since it is smaller than the sum of its proper divisors (631909170).

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

541636398 is a wasteful number, since it uses less digits than its factorization.

541636398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30090919 (or 30090916 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 541636398 is about 23273.0831219243. The cubic root of 541636398 is about 815.1470235467.

It can be divided in two parts, 5416 and 36398, that added together give a palindrome (41814).

The spelling of 541636398 in words is "five hundred forty-one million, six hundred thirty-six thousand, three hundred ninety-eight".