6400035 has 12 divisors (see below), whose sum is σ = 11093472. Its totient is φ = 3413328.

The previous prime is 6400033. The next prime is 6400091. The reversal of 6400035 is 5300046.

It is a happy number.

It is not a de Polignac number, because 6400035 - 2¹ = 6400033 is a prime.

6400035 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6399990 and 6400017.

It is not an unprimeable number, because it can be changed into a prime (6400033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71067 + ... + 71156.

It is an arithmetic number, because the mean of its divisors is an integer number (924456).

Almost surely, 2^6400035 is an apocalyptic number.

6400035 is a deficient number, since it is larger than the sum of its proper divisors (4693437).

6400035 is a wasteful number, since it uses less digits than its factorization.

6400035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142234 (or 142231 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 6400035 is about 2529.8290456076. The cubic root of 6400035 is about 185.6638917931.

The spelling of 6400035 in words is "six million, four hundred thousand, thirty-five".