3999703 has 2 divisors, whose sum is σ = 3999704. Its totient is φ = 3999702.

The previous prime is 3999683. The next prime is 3999707. The reversal of 3999703 is 3079993.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3999703 - 2¹³ = 3991511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3999707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999851 + 1999852.

It is an arithmetic number, because the mean of its divisors is an integer number (1999852).

Almost surely, 2^3999703 is an apocalyptic number.

3999703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999703 is an equidigital number, since it uses as much as digits as its factorization.

3999703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 3999703 is about 1999.9257486217. The cubic root of 3999703 is about 158.7361762820.

The spelling of 3999703 in words is "three million, nine hundred ninety-nine thousand, seven hundred three".