3894866902 has 8 divisors (see below), whose sum is σ = 5844600000. Its totient is φ = 1946666904.

The previous prime is 3894866879. The next prime is 3894866909. The reversal of 3894866902 is 2096684983.

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 (3894866909) 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, 376902 + ... + 387097.

It is an arithmetic number, because the mean of its divisors is an integer number (730575000).

Almost surely, 2^3894866902 is an apocalyptic number.

3894866902 is a deficient number, since it is larger than the sum of its proper divisors (1949733098).

3894866902 is a wasteful number, since it uses less digits than its factorization.

3894866902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766550.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The square root of 3894866902 is about 62408.8687768013. The cubic root of 3894866902 is about 1573.3700314723.

The spelling of 3894866902 in words is "three billion, eight hundred ninety-four million, eight hundred sixty-six thousand, nine hundred two".