3993225 has 24 divisors (see below), whose sum is σ = 6785280. Its totient is φ = 2070720.

The previous prime is 3993221. The next prime is 3993229. The reversal of 3993225 is 5223993.

It is an interprime number because it is at equal distance from previous prime (3993221) and next prime (3993229).

It is not a de Polignac number, because 3993225 - 2² = 3993221 is a prime.

It is an Ulam number.

3993225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3993221) 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 23 ways as a sum of consecutive naturals, for example, 2056 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (282720).

Almost surely, 2^3993225 is an apocalyptic number.

It is an amenable number.

3993225 is a deficient number, since it is larger than the sum of its proper divisors (2792055).

3993225 is a wasteful number, since it uses less digits than its factorization.

3993225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The square root of 3993225 is about 1998.3055321947. The cubic root of 3993225 is about 158.6504325323.

The spelling of 3993225 in words is "three million, nine hundred ninety-three thousand, two hundred twenty-five".