6404146 has 16 divisors (see below), whose sum is σ = 11160000. Its totient is φ = 2699280.

The previous prime is 6404141. The next prime is 6404161. The reversal of 6404146 is 6414046.

It is a self number, because there is not a number n which added to its sum of digits gives 6404146.

It is not an unprimeable number, because it can be changed into a prime (6404141) 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, 2896 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (697500).

Almost surely, 2^6404146 is an apocalyptic number.

6404146 is a deficient number, since it is larger than the sum of its proper divisors (4755854).

6404146 is a wasteful number, since it uses less digits than its factorization.

6404146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6404146 is about 2530.6414206679. The cubic root of 6404146 is about 185.7036364139.

The spelling of 6404146 in words is "six million, four hundred four thousand, one hundred forty-six".