26428047 has 16 divisors (see below), whose sum is σ = 37946880. Its totient is φ = 16299392.

The previous prime is 26428043. The next prime is 26428063. The reversal of 26428047 is 74082462.

It is a cyclic number.

It is not a de Polignac number, because 26428047 - 2² = 26428043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26427999 and 26428017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26428043) 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, 1383 + ... + 7400.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^26428047 is an apocalyptic number.

26428047 is a deficient number, since it is larger than the sum of its proper divisors (11518833).

26428047 is a wasteful number, since it uses less digits than its factorization.

26428047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 26428047 is about 5140.8216269386. The cubic root of 26428047 is about 297.8665190526.

The spelling of 26428047 in words is "twenty-six million, four hundred twenty-eight thousand, forty-seven".