3990337 has 4 divisors (see below), whose sum is σ = 4297300. Its totient is φ = 3683376.

The previous prime is 3990331. The next prime is 3990353. The reversal of 3990337 is 7330993.

3990337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1985281 + 2005056 = 1409^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 3990337 - 2¹¹ = 3988289 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3990331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153462 + ... + 153487.

It is an arithmetic number, because the mean of its divisors is an integer number (1074325).

Almost surely, 2^3990337 is an apocalyptic number.

It is an amenable number.

3990337 is a deficient number, since it is larger than the sum of its proper divisors (306963).

3990337 is a wasteful number, since it uses less digits than its factorization.

3990337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306962.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 3990337 is about 1997.5827892731. The cubic root of 3990337 is about 158.6121766573.

The spelling of 3990337 in words is "three million, nine hundred ninety thousand, three hundred thirty-seven".