3899478490 has 32 divisors (see below), whose sum is σ = 7391761920. Its totient is φ = 1477041984.

The previous prime is 3899478481. The next prime is 3899478491. The reversal of 3899478490 is 948749983.

It is not an unprimeable number, because it can be changed into a prime (3899478491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781644 + ... + 786616.

It is an arithmetic number, because the mean of its divisors is an integer number (230992560).

Almost surely, 2^3899478490 is an apocalyptic number.

3899478490 is a deficient number, since it is larger than the sum of its proper divisors (3492283430).

3899478490 is a wasteful number, since it uses less digits than its factorization.

3899478490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 3899478490 is about 62445.8044227152. The cubic root of 3899478490 is about 1573.9907520929.

The spelling of 3899478490 in words is "three billion, eight hundred ninety-nine million, four hundred seventy-eight thousand, four hundred ninety".