6340155 has 16 divisors (see below), whose sum is σ = 10209024. Its totient is φ = 3359840.

The previous prime is 6340127. The next prime is 6340189. The reversal of 6340155 is 5510436.

It is not a de Polignac number, because 6340155 - 2⁸ = 6339899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (638064).

Almost surely, 2^6340155 is an apocalyptic number.

6340155 is a deficient number, since it is larger than the sum of its proper divisors (3868869).

6340155 is a wasteful number, since it uses less digits than its factorization.

6340155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6340155 is about 2517.9664413967. The cubic root of 6340155 is about 185.0830403926.

The spelling of 6340155 in words is "six million, three hundred forty thousand, one hundred fifty-five".