3999702 has 16 divisors (see below), whose sum is σ = 9142272. Its totient is φ = 1142760.

The previous prime is 3999683. The next prime is 3999703. The reversal of 3999702 is 2079993.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999703) 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, 47574 + ... + 47657.

It is an arithmetic number, because the mean of its divisors is an integer number (571392).

Almost surely, 2^3999702 is an apocalyptic number.

3999702 is an abundant number, since it is smaller than the sum of its proper divisors (5142570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3999702 is a wasteful number, since it uses less digits than its factorization.

3999702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95243.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 3999702 is about 1999.9254986124. The cubic root of 3999702 is about 158.7361630530.

It can be divided in two parts, 399 and 9702, that added together give a palindrome (10101).

The spelling of 3999702 in words is "three million, nine hundred ninety-nine thousand, seven hundred two".