6623426 has 8 divisors (see below), whose sum is σ = 10277820. Its totient is φ = 3197488.

The previous prime is 6623423. The next prime is 6623459. The reversal of 6623426 is 6243266.

It can be written as a sum of positive squares in 2 ways, for example, as 6497401 + 126025 = 2549^2 + 355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (6623423) 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, 57041 + ... + 57156.

Almost surely, 2^6623426 is an apocalyptic number.

6623426 is a deficient number, since it is larger than the sum of its proper divisors (3654394).

6623426 is a wasteful number, since it uses less digits than its factorization.

6623426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114228.

The product of its digits is 10368, while the sum is 29.

The square root of 6623426 is about 2573.6017562941. The cubic root of 6623426 is about 187.7994125863.

The spelling of 6623426 in words is "six million, six hundred twenty-three thousand, four hundred twenty-six".