6429918 has 16 divisors (see below), whose sum is σ = 14029056. Its totient is φ = 1948440.

The previous prime is 6429887. The next prime is 6429931. The reversal of 6429918 is 8199246.

6429918 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48646 + ... + 48777.

It is an arithmetic number, because the mean of its divisors is an integer number (876816).

Almost surely, 2^6429918 is an apocalyptic number.

6429918 is an abundant number, since it is smaller than the sum of its proper divisors (7599138).

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

6429918 is a wasteful number, since it uses less digits than its factorization.

6429918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97439.

The product of its digits is 31104, while the sum is 39.

The square root of 6429918 is about 2535.7282977480. The cubic root of 6429918 is about 185.9524100700.

It can be divided in two parts, 6 and 429918, that added together give a palindrome (429924).

The spelling of 6429918 in words is "six million, four hundred twenty-nine thousand, nine hundred eighteen".