6634426 has 16 divisors (see below), whose sum is σ = 10249344. Its totient is φ = 3219264.

The previous prime is 6634423. The next prime is 6634429. The reversal of 6634426 is 6244366.

It is an interprime number because it is at equal distance from previous prime (6634423) and next prime (6634429).

It is not an unprimeable number, because it can be changed into a prime (6634423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15106 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (640584).

Almost surely, 2^6634426 is an apocalyptic number.

6634426 is a deficient number, since it is larger than the sum of its proper divisors (3614918).

6634426 is a wasteful number, since it uses less digits than its factorization.

6634426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 20736, while the sum is 31.

The square root of 6634426 is about 2575.7379525099. The cubic root of 6634426 is about 187.9033190837.

The spelling of 6634426 in words is "six million, six hundred thirty-four thousand, four hundred twenty-six".