4084425 has 30 divisors (see below), whose sum is σ = 7569518. Its totient is φ = 2177280.

The previous prime is 4084397. The next prime is 4084427. The reversal of 4084425 is 5244804.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 3337929 = 864^2 + 1827^2 .

It is not a de Polignac number, because 4084425 - 2⁸ = 4084169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

4084425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4084427) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1017 + ... + 3033.

Almost surely, 2^4084425 is an apocalyptic number.

4084425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4084425 is a deficient number, since it is larger than the sum of its proper divisors (3485093).

4084425 is a wasteful number, since it uses less digits than its factorization.

4084425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4084425 is about 2020.9960415597. The cubic root of 4084425 is about 159.8491416599.

The spelling of 4084425 in words is "four million, eighty-four thousand, four hundred twenty-five".