26197828 has 12 divisors (see below), whose sum is σ = 47839680. Its totient is φ = 12529352.

The previous prime is 26197819. The next prime is 26197837. The reversal of 26197828 is 82879162.

It is an interprime number because it is at equal distance from previous prime (26197819) and next prime (26197837).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142288 + ... + 142471.

It is an arithmetic number, because the mean of its divisors is an integer number (3986640).

Almost surely, 2^26197828 is an apocalyptic number.

It is an amenable number.

26197828 is a deficient number, since it is larger than the sum of its proper divisors (21641852).

26197828 is a wasteful number, since it uses less digits than its factorization.

26197828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284786 (or 284784 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 26197828 is about 5118.3813847739. The cubic root of 26197828 is about 296.9990741657. Note that the first 3 decimals are identical.

It can be divided in two parts, 261 and 97828, that added together give a palindrome (98089).

The spelling of 26197828 in words is "twenty-six million, one hundred ninety-seven thousand, eight hundred twenty-eight".