6420412 has 6 divisors (see below), whose sum is σ = 11235728. Its totient is φ = 3210204.

The previous prime is 6420391. The next prime is 6420413. The reversal of 6420412 is 2140246.

It is a self number, because there is not a number n which added to its sum of digits gives 6420412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802548 + ... + 802555.

Almost surely, 2^6420412 is an apocalyptic number.

It is an amenable number.

6420412 is a deficient number, since it is larger than the sum of its proper divisors (4815316).

6420412 is a wasteful number, since it uses less digits than its factorization.

6420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605107 (or 1605105 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 6420412 is about 2533.8531922746. The cubic root of 6420412 is about 185.8607274373.

Adding to 6420412 its reverse (2140246), we get a palindrome (8560658).

The spelling of 6420412 in words is "six million, four hundred twenty thousand, four hundred twelve".