3923425 has 18 divisors (see below), whose sum is σ = 5351654. Its totient is φ = 2851200.

The previous prime is 3923417. The next prime is 3923429. The reversal of 3923425 is 5243293.

It can be written as a sum of positive squares in 3 ways, for example, as 1308736 + 2614689 = 1144^2 + 1617^2 .

It is not a de Polignac number, because 3923425 - 2³ = 3923417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3923393 and 3923402.

It is not an unprimeable number, because it can be changed into a prime (3923429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2377 + ... + 3673.

Almost surely, 2^3923425 is an apocalyptic number.

It is an amenable number.

3923425 is a deficient number, since it is larger than the sum of its proper divisors (1428229).

3923425 is a wasteful number, since it uses less digits than its factorization.

3923425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1313 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 3923425 is about 1980.7637415906. The cubic root of 3923425 is about 157.7206113109.

The spelling of 3923425 in words is "three million, nine hundred twenty-three thousand, four hundred twenty-five".