3688541894 has 8 divisors (see below), whose sum is σ = 5534130168. Its totient is φ = 1843831840.

The previous prime is 3688541863. The next prime is 3688541897. The reversal of 3688541894 is 4981458863.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688541897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208952 + ... + 225915.

It is an arithmetic number, because the mean of its divisors is an integer number (691766271).

Almost surely, 2^3688541894 is an apocalyptic number.

3688541894 is a deficient number, since it is larger than the sum of its proper divisors (1845588274).

3688541894 is a wasteful number, since it uses less digits than its factorization.

3688541894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439110.

The product of its digits is 6635520, while the sum is 56.

The square root of 3688541894 is about 60733.3672209931. The cubic root of 3688541894 is about 1545.0821437737.

The spelling of 3688541894 in words is "three billion, six hundred eighty-eight million, five hundred forty-one thousand, eight hundred ninety-four".