3900073 has 4 divisors (see below), whose sum is σ = 4105360. Its totient is φ = 3694788.

The previous prime is 3900067. The next prime is 3900097. The reversal of 3900073 is 3700093.

3900073 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3900473) 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, 102615 + ... + 102652.

It is an arithmetic number, because the mean of its divisors is an integer number (1026340).

Almost surely, 2^3900073 is an apocalyptic number.

It is an amenable number.

3900073 is a deficient number, since it is larger than the sum of its proper divisors (205287).

3900073 is a wasteful number, since it uses less digits than its factorization.

3900073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205286.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 3900073 is about 1974.8602482201. The cubic root of 3900073 is about 157.4070737634.

The spelling of 3900073 in words is "three million, nine hundred thousand, seventy-three".