26219889 has 16 divisors (see below), whose sum is σ = 38923200. Its totient is φ = 17444448.

The previous prime is 26219873. The next prime is 26219917. The reversal of 26219889 is 98891262.

It is not a de Polignac number, because 26219889 - 2⁴ = 26219873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26219819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25222 + ... + 26240.

It is an arithmetic number, because the mean of its divisors is an integer number (2432700).

Almost surely, 2^26219889 is an apocalyptic number.

It is an amenable number.

26219889 is a deficient number, since it is larger than the sum of its proper divisors (12703311).

26219889 is a wasteful number, since it uses less digits than its factorization.

26219889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1975 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 26219889 is about 5120.5360070993. The cubic root of 26219889 is about 297.0824176942.

The spelling of 26219889 in words is "twenty-six million, two hundred nineteen thousand, eight hundred eighty-nine".