3899747290 has 32 divisors (see below), whose sum is σ = 7369750656. Its totient is φ = 1482909120.

The previous prime is 3899747287. The next prime is 3899747297. The reversal of 3899747290 is 927479983.

It is not an unprimeable number, because it can be changed into a prime (3899747297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14521 + ... + 89500.

It is an arithmetic number, because the mean of its divisors is an integer number (230304708).

Almost surely, 2^3899747290 is an apocalyptic number.

3899747290 is a deficient number, since it is larger than the sum of its proper divisors (3470003366).

3899747290 is a wasteful number, since it uses less digits than its factorization.

3899747290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104214.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The square root of 3899747290 is about 62447.9566519194. The cubic root of 3899747290 is about 1574.0269175266.

The spelling of 3899747290 in words is "three billion, eight hundred ninety-nine million, seven hundred forty-seven thousand, two hundred ninety".