3961425 has 48 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1827840.

The previous prime is 3961417. The next prime is 3961427. The reversal of 3961425 is 5241693.

3961425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3961425 - 2³ = 3961417 is a prime.

It is a Curzon number.

3961425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3961392 and 3961401.

It is not an unprimeable number, because it can be changed into a prime (3961427) 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 47 ways as a sum of consecutive naturals, for example, 16456 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 2^3961425 is an apocalyptic number.

It is an amenable number.

3961425 is a deficient number, since it is larger than the sum of its proper divisors (3538095).

3961425 is a wasteful number, since it uses less digits than its factorization.

3961425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 3961425 is about 1990.3328867303. The cubic root of 3961425 is about 158.2281727068.

The spelling of 3961425 in words is "three million, nine hundred sixty-one thousand, four hundred twenty-five".