3996845315 has 4 divisors (see below), whose sum is σ = 4796214384. Its totient is φ = 3197476248.

The previous prime is 3996845297. The next prime is 3996845357. The reversal of 3996845315 is 5135486993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3996845315 - 2¹⁴ = 3996828931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399684527 + ... + 399684536.

It is an arithmetic number, because the mean of its divisors is an integer number (1199053596).

Almost surely, 2^3996845315 is an apocalyptic number.

3996845315 is a deficient number, since it is larger than the sum of its proper divisors (799369069).

3996845315 is an equidigital number, since it uses as much as digits as its factorization.

3996845315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799369068.

The product of its digits is 3499200, while the sum is 53.

The square root of 3996845315 is about 63220.6083093164. The cubic root of 3996845315 is about 1586.9836296887.

The spelling of 3996845315 in words is "three billion, nine hundred ninety-six million, eight hundred forty-five thousand, three hundred fifteen".