3925789 has 4 divisors (see below), whose sum is σ = 4486624. Its totient is φ = 3364956.

The previous prime is 3925783. The next prime is 3925807. The reversal of 3925789 is 9875293.

It is a happy number.

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 not a de Polignac number, because 3925789 - 2³ = 3925781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280407 + ... + 280420.

It is an arithmetic number, because the mean of its divisors is an integer number (1121656).

Almost surely, 2^3925789 is an apocalyptic number.

It is an amenable number.

3925789 is a deficient number, since it is larger than the sum of its proper divisors (560835).

3925789 is an equidigital number, since it uses as much as digits as its factorization.

3925789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560834.

The product of its digits is 136080, while the sum is 43.

The square root of 3925789 is about 1981.3603912464. The cubic root of 3925789 is about 157.7522823352.

The spelling of 3925789 in words is "three million, nine hundred twenty-five thousand, seven hundred eighty-nine".