6378469 has 4 divisors (see below), whose sum is σ = 6407296. Its totient is φ = 6349644.

The previous prime is 6378409. The next prime is 6378487. The reversal of 6378469 is 9648736.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6378469 - 2⁷ = 6378341 is a prime.

It is a super-2 number, since 2×6378469² = 81369733567922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14079 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (1601824).

Almost surely, 2^6378469 is an apocalyptic number.

It is an amenable number.

6378469 is a deficient number, since it is larger than the sum of its proper divisors (28827).

6378469 is a wasteful number, since it uses less digits than its factorization.

6378469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28826.

The product of its digits is 217728, while the sum is 43.

The square root of 6378469 is about 2525.5631055272. The cubic root of 6378469 is about 185.4551151565.

The spelling of 6378469 in words is "six million, three hundred seventy-eight thousand, four hundred sixty-nine".