6624434 has 4 divisors (see below), whose sum is σ = 9936654. Its totient is φ = 3312216.

The previous prime is 6624433. The next prime is 6624439. The reversal of 6624434 is 4344266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6325225 + 299209 = 2515^2 + 547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6624397 and 6624406.

It is not an unprimeable number, because it can be changed into a prime (6624433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656107 + ... + 1656110.

Almost surely, 2^6624434 is an apocalyptic number.

6624434 is a deficient number, since it is larger than the sum of its proper divisors (3312220).

6624434 is a wasteful number, since it uses less digits than its factorization.

6624434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312219.

The product of its digits is 13824, while the sum is 29.

The square root of 6624434 is about 2573.7975833387. The cubic root of 6624434 is about 187.8089389858.

The spelling of 6624434 in words is "six million, six hundred twenty-four thousand, four hundred thirty-four".