6435420 has 48 divisors (see below), whose sum is σ = 18130560. Its totient is φ = 1705536.

The previous prime is 6435413. The next prime is 6435431. The reversal of 6435420 is 245346.

It is a congruent number.

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, 16791 + ... + 17169.

It is an arithmetic number, because the mean of its divisors is an integer number (377720).

Almost surely, 2^6435420 is an apocalyptic number.

6435420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6435420 is an abundant number, since it is smaller than the sum of its proper divisors (11695140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6435420 is a wasteful number, since it uses less digits than its factorization.

6435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

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

The square root of 6435420 is about 2536.8129611779. The cubic root of 6435420 is about 186.0054339955.

The spelling of 6435420 in words is "six million, four hundred thirty-five thousand, four hundred twenty".