6402345 has 16 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 3381824.

The previous prime is 6402329. The next prime is 6402379. The reversal of 6402345 is 5432046.

It is a cyclic number.

It is not a de Polignac number, because 6402345 - 2⁴ = 6402329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^6402345 is an apocalyptic number.

It is an amenable number.

6402345 is a deficient number, since it is larger than the sum of its proper divisors (3939735).

6402345 is a wasteful number, since it uses less digits than its factorization.

6402345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6402345 is about 2530.2855570074. The cubic root of 6402345 is about 185.6862266710.

Subtracting from 6402345 its reverse (5432046), we obtain a cube (970299 = 99³).

The spelling of 6402345 in words is "six million, four hundred two thousand, three hundred forty-five".