26428171 has 16 divisors (see below), whose sum is σ = 33182208. Its totient is φ = 20448000.

The previous prime is 26428163. The next prime is 26428177. The reversal of 26428171 is 17182462.

It is a cyclic number.

It is not a de Polignac number, because 26428171 - 2³ = 26428163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26428177) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 10491 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (2073888).

Almost surely, 2^26428171 is an apocalyptic number.

26428171 is a deficient number, since it is larger than the sum of its proper divisors (6754037).

26428171 is a wasteful number, since it uses less digits than its factorization.

26428171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its digits is 5376, while the sum is 31.

The square root of 26428171 is about 5140.8336872535. The cubic root of 26428171 is about 297.8669849136.

The spelling of 26428171 in words is "twenty-six million, four hundred twenty-eight thousand, one hundred seventy-one".