6399029 has 16 divisors (see below), whose sum is σ = 8292480. Its totient is φ = 4795200.

The previous prime is 6399023. The next prime is 6399031. The reversal of 6399029 is 9209936.

It is a cyclic number.

It is not a de Polignac number, because 6399029 - 2⁴ = 6399013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6398983 and 6399001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6399023) 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, 122 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (518280).

Almost surely, 2^6399029 is an apocalyptic number.

It is an amenable number.

6399029 is a deficient number, since it is larger than the sum of its proper divisors (1893451).

6399029 is a wasteful number, since it uses less digits than its factorization.

6399029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 6399029 is about 2529.6302101295. The cubic root of 6399029 is about 185.6541633222.

The spelling of 6399029 in words is "six million, three hundred ninety-nine thousand, twenty-nine".