6409078 has 16 divisors (see below), whose sum is σ = 10550736. Its totient is φ = 2901600.

The previous prime is 6409063. The next prime is 6409093. The reversal of 6409078 is 8709046.

It is an interprime number because it is at equal distance from previous prime (6409063) and next prime (6409093).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 948 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (659421).

Almost surely, 2^6409078 is an apocalyptic number.

6409078 is a deficient number, since it is larger than the sum of its proper divisors (4141658).

6409078 is a wasteful number, since it uses less digits than its factorization.

6409078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6409078 is about 2531.6156896338. The cubic root of 6409078 is about 185.7512959206.

Subtracting 6409078 from its reverse (8709046), we obtain a cube (2299968 = 132³).

The spelling of 6409078 in words is "six million, four hundred nine thousand, seventy-eight".