6429387 has 16 divisors (see below), whose sum is σ = 9008640. Its totient is φ = 4072992.

The previous prime is 6429373. The next prime is 6429389. The reversal of 6429387 is 7839246.

It is not a de Polignac number, because 6429387 - 2⁶ = 6429323 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 4⁴ + 2¹⁷ + 9 + 3¹² + 8³ + 7⁸ .

It is not an unprimeable number, because it can be changed into a prime (6429389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5278 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (563040).

Almost surely, 2^6429387 is an apocalyptic number.

6429387 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6429387 is a deficient number, since it is larger than the sum of its proper divisors (2579253).

6429387 is a wasteful number, since it uses less digits than its factorization.

6429387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 72576, while the sum is 39.

The square root of 6429387 is about 2535.6235919395. The cubic root of 6429387 is about 185.9472911116.

The spelling of 6429387 in words is "six million, four hundred twenty-nine thousand, three hundred eighty-seven".