3694425 has 48 divisors (see below), whose sum is σ = 7237632. Its totient is φ = 1627200.

The previous prime is 3694409. The next prime is 3694429. The reversal of 3694425 is 5244963.

It is not a de Polignac number, because 3694425 - 2⁴ = 3694409 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 6⁸ + 9⁵ + 4³ + 4⁴ + 2⁷ + 5⁹ .

It is a Curzon number.

3694425 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694429) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 16162 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (150784).

Almost surely, 2^3694425 is an apocalyptic number.

3694425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3694425 is a deficient number, since it is larger than the sum of its proper divisors (3543207).

3694425 is a wasteful number, since it uses less digits than its factorization.

3694425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 273 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 3694425 is about 1922.0887076303. The cubic root of 3694425 is about 154.5903159582.

The spelling of 3694425 in words is "three million, six hundred ninety-four thousand, four hundred twenty-five".