6394629 has 8 divisors (see below), whose sum is σ = 8543392. Its totient is φ = 4254480.

The previous prime is 6394627. The next prime is 6394637. The reversal of 6394629 is 9264936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6394629 - 2¹ = 6394627 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3¹³ + 9 + 4⁷ + 6³ + 2⁹ + 9⁷ .

It is a Duffinian number.

6394629 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (1067924).

Almost surely, 2^6394629 is an apocalyptic number.

It is an amenable number.

6394629 is a deficient number, since it is larger than the sum of its proper divisors (2148763).

6394629 is a wasteful number, since it uses less digits than its factorization.

6394629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307.

The product of its digits is 69984, while the sum is 39.

The square root of 6394629 is about 2528.7603682437. The cubic root of 6394629 is about 185.6116013637.

The spelling of 6394629 in words is "six million, three hundred ninety-four thousand, six hundred twenty-nine".