6402245 has 8 divisors (see below), whose sum is σ = 7697184. Its totient is φ = 5112144.

The previous prime is 6402203. The next prime is 6402247. The reversal of 6402245 is 5422046.

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 6402245 - 2⁶ = 6402181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6402245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402247) 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, 3122 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (962148).

Almost surely, 2^6402245 is an apocalyptic number.

It is an amenable number.

6402245 is a deficient number, since it is larger than the sum of its proper divisors (1294939).

6402245 is a wasteful number, since it uses less digits than its factorization.

6402245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 6402245 is about 2530.2657963147. The cubic root of 6402245 is about 185.6852599044.

The spelling of 6402245 in words is "six million, four hundred two thousand, two hundred forty-five".