6438474 has 32 divisors (see below), whose sum is σ = 16352640. Its totient is φ = 1839456.

The previous prime is 6438463. The next prime is 6438539. The reversal of 6438474 is 4748346.

6438474 is a `hidden beast` number, since 643 + 8 + 4 + 7 + 4 = 666.

It is a d-powerful number, because it can be written as 6⁷ + 4⁸ + 3² + 8³ + 4⁸ + 7⁸ + 4⁹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (511020).

Almost surely, 2^6438474 is an apocalyptic number.

6438474 is an abundant number, since it is smaller than the sum of its proper divisors (9914166).

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

6438474 is a wasteful number, since it uses less digits than its factorization.

6438474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051 (or 17045 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 6438474 is about 2537.4148261567. The cubic root of 6438474 is about 186.0348529901.

The spelling of 6438474 in words is "six million, four hundred thirty-eight thousand, four hundred seventy-four".