3993715 has 8 divisors (see below), whose sum is σ = 5228208. Its totient is φ = 2904480.

The previous prime is 3993713. The next prime is 3993721. The reversal of 3993715 is 5173993.

3993715 = 242² + 243² + ... + 296².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3993715 - 2¹ = 3993713 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3993713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36252 + ... + 36361.

It is an arithmetic number, because the mean of its divisors is an integer number (653526).

Almost surely, 2^3993715 is an apocalyptic number.

3993715 is a deficient number, since it is larger than the sum of its proper divisors (1234493).

3993715 is a wasteful number, since it uses less digits than its factorization.

3993715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72629.

The product of its digits is 25515, while the sum is 37.

The square root of 3993715 is about 1998.4281323080. The cubic root of 3993715 is about 158.6569214840.

It can be divided in two parts, 399 and 3715, that added together give a palindrome (4114).

The spelling of 3993715 in words is "three million, nine hundred ninety-three thousand, seven hundred fifteen".