3900289 has 8 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 3780000.

The previous prime is 3900287. The next prime is 3900307. The reversal of 3900289 is 9820093.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3900289 - 2¹ = 3900287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3900289.

It is not an unprimeable number, because it can be changed into a prime (3900287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10102 + ... + 10480.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^3900289 is an apocalyptic number.

It is an amenable number.

3900289 is a deficient number, since it is larger than the sum of its proper divisors (121631).

3900289 is a wasteful number, since it uses less digits than its factorization.

3900289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3900289 is about 1974.9149348769. The cubic root of 3900289 is about 157.4099796321.

The spelling of 3900289 in words is "three million, nine hundred thousand, two hundred eighty-nine".