8626438 has 4 divisors (see below), whose sum is σ = 12939660. Its totient is φ = 4313218.

The previous prime is 8626421. The next prime is 8626459. The reversal of 8626438 is 8346268.

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

It is a junction number, because it is equal to n+sod(n) for n = 8626397 and 8626406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156608 + ... + 2156611.

It is an arithmetic number, because the mean of its divisors is an integer number (3234915).

Almost surely, 2^8626438 is an apocalyptic number.

8626438 is a deficient number, since it is larger than the sum of its proper divisors (4313222).

8626438 is a wasteful number, since it uses less digits than its factorization.

8626438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313221.

The product of its digits is 55296, while the sum is 37.

The square root of 8626438 is about 2937.0798422923. The cubic root of 8626438 is about 205.0896930533.

The spelling of 8626438 in words is "eight million, six hundred twenty-six thousand, four hundred thirty-eight".