3924425 has 12 divisors (see below), whose sum is σ = 5035020. Its totient is φ = 3030720.

The previous prime is 3924413. The next prime is 3924443. The reversal of 3924425 is 5244293.

It can be written as a sum of positive squares in 6 ways, for example, as 299209 + 3625216 = 547^2 + 1904^2 .

It is not a de Polignac number, because 3924425 - 2⁴ = 3924409 is a prime.

It is a super-2 number, since 2×3924425² = 30802223161250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (419585).

Almost surely, 2^3924425 is an apocalyptic number.

It is an amenable number.

3924425 is a deficient number, since it is larger than the sum of its proper divisors (1110595).

3924425 is a wasteful number, since it uses less digits than its factorization.

3924425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452 (or 5447 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 3924425 is about 1981.0161533920. The cubic root of 3924425 is about 157.7340100814.

The spelling of 3924425 in words is "three million, nine hundred twenty-four thousand, four hundred twenty-five".