6434874 has 36 divisors (see below), whose sum is σ = 14822574. Its totient is φ = 2017152.

The previous prime is 6434861. The next prime is 6434899. The reversal of 6434874 is 4784346.

6434874 is a `hidden beast` number, since 643 + 4 + 8 + 7 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6426225 + 8649 = 2535^2 + 93^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4584 + ... + 5820.

Almost surely, 2^6434874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6434874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7411287).

6434874 is an abundant number, since it is smaller than the sum of its proper divisors (8387700).

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

6434874 is a wasteful number, since it uses less digits than its factorization.

6434874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1259 counting only the distinct ones).

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

The square root of 6434874 is about 2536.7053435510. The cubic root of 6434874 is about 186.0001734303. Note that the first 3 decimals are identical.

The spelling of 6434874 in words is "six million, four hundred thirty-four thousand, eight hundred seventy-four".