6405046 has 4 divisors (see below), whose sum is σ = 9607572. Its totient is φ = 3202522.

The previous prime is 6405043. The next prime is 6405053.

It is a happy number.

6405046 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6405046² = 82049228524232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6405046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601260 + ... + 1601263.

It is an arithmetic number, because the mean of its divisors is an integer number (2401893).

Almost surely, 2^6405046 is an apocalyptic number.

6405046 is a deficient number, since it is larger than the sum of its proper divisors (3202526).

6405046 is a wasteful number, since it uses less digits than its factorization.

6405046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202525.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6405046 is about 2530.8192349514. The cubic root of 6405046 is about 185.7123352289.

The spelling of 6405046 in words is "six million, four hundred five thousand, forty-six".