26229838 has 4 divisors (see below), whose sum is σ = 39344760. Its totient is φ = 13114918.

The previous prime is 26229829. The next prime is 26229887. The reversal of 26229838 is 83892262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26229838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6557458 + ... + 6557461.

It is an arithmetic number, because the mean of its divisors is an integer number (9836190).

Almost surely, 2^26229838 is an apocalyptic number.

26229838 is a deficient number, since it is larger than the sum of its proper divisors (13114922).

26229838 is a wasteful number, since it uses less digits than its factorization.

26229838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114921.

The product of its digits is 82944, while the sum is 40.

The square root of 26229838 is about 5121.5073952890. The cubic root of 26229838 is about 297.1199884001.

The spelling of 26229838 in words is "twenty-six million, two hundred twenty-nine thousand, eight hundred thirty-eight".