3894925 has 6 divisors (see below), whose sum is σ = 4829738. Its totient is φ = 3115920.

The previous prime is 3894923. The next prime is 3894949. The reversal of 3894925 is 5294983.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 915849 + 2979076 = 957^2 + 1726^2 .

It is not a de Polignac number, because 3894925 - 2¹ = 3894923 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77874 + ... + 77923.

Almost surely, 2^3894925 is an apocalyptic number.

It is an amenable number.

3894925 is a deficient number, since it is larger than the sum of its proper divisors (934813).

3894925 is a wasteful number, since it uses less digits than its factorization.

3894925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155807 (or 155802 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 3894925 is about 1973.5564344604. The cubic root of 3894925 is about 157.3377854521.

The spelling of 3894925 in words is "three million, eight hundred ninety-four thousand, nine hundred twenty-five".