6140406 has 32 divisors (see below), whose sum is σ = 12751200. Its totient is φ = 1969920.

The previous prime is 6140389. The next prime is 6140411. The reversal of 6140406 is 6040416.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26700 + ... + 26928.

It is an arithmetic number, because the mean of its divisors is an integer number (398475).

Almost surely, 2^6140406 is an apocalyptic number.

6140406 is an abundant number, since it is smaller than the sum of its proper divisors (6610794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6140406 is a wasteful number, since it uses less digits than its factorization.

6140406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6140406 is about 2477.9842614512. The cubic root of 6140406 is about 183.1185591432.

The spelling of 6140406 in words is "six million, one hundred forty thousand, four hundred six".