3925489 has 2 divisors, whose sum is σ = 3925490. Its totient is φ = 3925488.

The previous prime is 3925483. The next prime is 3925541. The reversal of 3925489 is 9845293.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 613089 = 1820^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 3925489 - 2¹³ = 3917297 is a prime.

It is a Chen prime.

3925489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3925483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962744 + 1962745.

It is an arithmetic number, because the mean of its divisors is an integer number (1962745).

Almost surely, 2^3925489 is an apocalyptic number.

It is an amenable number.

3925489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925489 is an equidigital number, since it uses as much as digits as its factorization.

3925489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 3925489 is about 1981.2846842390. The cubic root of 3925489 is about 157.7482638741.

The spelling of 3925489 in words is "three million, nine hundred twenty-five thousand, four hundred eighty-nine".