3902245 has 8 divisors (see below), whose sum is σ = 4739616. Its totient is φ = 3083856.

The previous prime is 3902243. The next prime is 3902263. The reversal of 3902245 is 5422093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3902245 - 2¹ = 3902243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (592452).

Almost surely, 2^3902245 is an apocalyptic number.

It is an amenable number.

3902245 is a deficient number, since it is larger than the sum of its proper divisors (837371).

3902245 is an equidigital number, since it uses as much as digits as its factorization.

3902245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3902245 is about 1975.4100840079. The cubic root of 3902245 is about 157.4362890043.

The spelling of 3902245 in words is "three million, nine hundred two thousand, two hundred forty-five".