3678425 has 6 divisors (see below), whose sum is σ = 4561278. Its totient is φ = 2942720.

The previous prime is 3678407. The next prime is 3678431. The reversal of 3678425 is 5248763.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 369664 + 3308761 = 608^2 + 1819^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3678425 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6⁶ + 7⁴ + 8⁵ + 4⁷ + 2¹⁵ + 5⁹ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73544 + ... + 73593.

It is an arithmetic number, because the mean of its divisors is an integer number (760213).

Almost surely, 2^3678425 is an apocalyptic number.

It is an amenable number.

3678425 is a deficient number, since it is larger than the sum of its proper divisors (882853).

3678425 is a wasteful number, since it uses less digits than its factorization.

3678425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147147 (or 147142 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 3678425 is about 1917.9220526393. The cubic root of 3678425 is about 154.3668238607.

The spelling of 3678425 in words is "three million, six hundred seventy-eight thousand, four hundred twenty-five".