6429189 has 16 divisors (see below), whose sum is σ = 9277632. Its totient is φ = 3936768.

The previous prime is 6429187. The next prime is 6429191. The reversal of 6429189 is 9819246.

It is an interprime number because it is at equal distance from previous prime (6429187) and next prime (6429191).

It is not a de Polignac number, because 6429189 - 2¹ = 6429187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13534 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (579852).

Almost surely, 2^6429189 is an apocalyptic number.

It is an amenable number.

6429189 is a deficient number, since it is larger than the sum of its proper divisors (2848443).

6429189 is a wasteful number, since it uses less digits than its factorization.

6429189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

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

The square root of 6429189 is about 2535.5845479889. The cubic root of 6429189 is about 185.9453822754.

The spelling of 6429189 in words is "six million, four hundred twenty-nine thousand, one hundred eighty-nine".