3818425 has 24 divisors (see below), whose sum is σ = 5277440. Its totient is φ = 2721600.

The previous prime is 3818407. The next prime is 3818431. The reversal of 3818425 is 5248183.

It is not a de Polignac number, because 3818425 - 2⁵ = 3818393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9886 + ... + 10264.

Almost surely, 2^3818425 is an apocalyptic number.

It is an amenable number.

3818425 is a deficient number, since it is larger than the sum of its proper divisors (1459015).

3818425 is a wasteful number, since it uses less digits than its factorization.

3818425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 428 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 3818425 is about 1954.0790669776. The cubic root of 3818425 is about 156.3008794304.

The spelling of 3818425 in words is "three million, eight hundred eighteen thousand, four hundred twenty-five".