3974387290 has 32 divisors (see below), whose sum is σ = 7290783360. Its totient is φ = 1559476800.

The previous prime is 3974387251. The next prime is 3974387317. The reversal of 3974387290 is 927834793.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 222595 + ... + 239785.

It is an arithmetic number, because the mean of its divisors is an integer number (227836980).

Almost surely, 2^3974387290 is an apocalyptic number.

3974387290 is a deficient number, since it is larger than the sum of its proper divisors (3316396070).

3974387290 is a wasteful number, since it uses less digits than its factorization.

3974387290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 3974387290 is about 63042.7417709604. The cubic root of 3974387290 is about 1584.0056576189.

The spelling of 3974387290 in words is "three billion, nine hundred seventy-four million, three hundred eighty-seven thousand, two hundred ninety".