3990702 has 8 divisors (see below), whose sum is σ = 7981416. Its totient is φ = 1330232.

The previous prime is 3990689. The next prime is 3990731. The reversal of 3990702 is 2070993.

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

3990702 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3990702.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 332553 + ... + 332564.

It is an arithmetic number, because the mean of its divisors is an integer number (997677).

Almost surely, 2^3990702 is an apocalyptic number.

3990702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3990702 is a wasteful number, since it uses less digits than its factorization.

3990702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665122.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 3990702 is about 1997.6741476027. The cubic root of 3990702 is about 158.6170126464.

The spelling of 3990702 in words is "three million, nine hundred ninety thousand, seven hundred two".