4194401887 has 8 divisors (see below), whose sum is σ = 4517691920. Its totient is φ = 3871203840.

The previous prime is 4194401843. The next prime is 4194401899. The reversal of 4194401887 is 7881044914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4194401887 - 2⁷ = 4194401759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194401087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93664 + ... + 131002.

It is an arithmetic number, because the mean of its divisors is an integer number (564711490).

Almost surely, 2^4194401887 is an apocalyptic number.

4194401887 is a deficient number, since it is larger than the sum of its proper divisors (323290033).

4194401887 is a wasteful number, since it uses less digits than its factorization.

4194401887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45993.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 4194401887 is about 64764.2022030689. The cubic root of 4194401887 is about 1612.7114895332.

The spelling of 4194401887 in words is "four billion, one hundred ninety-four million, four hundred one thousand, eight hundred eighty-seven".