26282421 has 16 divisors (see below), whose sum is σ = 42477120. Its totient is φ = 15928560.

The previous prime is 26282419. The next prime is 26282423. The reversal of 26282421 is 12428262.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26282419) and next prime (26282423).

It is not a de Polignac number, because 26282421 - 2¹ = 26282419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26282423) 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, 43950 + ... + 44543.

It is an arithmetic number, because the mean of its divisors is an integer number (2654820).

Almost surely, 2^26282421 is an apocalyptic number.

It is an amenable number.

26282421 is a deficient number, since it is larger than the sum of its proper divisors (16194699).

26282421 is a wasteful number, since it uses less digits than its factorization.

26282421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88513 (or 88507 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 26282421 is about 5126.6383722670. The cubic root of 26282421 is about 297.3184015182.

The spelling of 26282421 in words is "twenty-six million, two hundred eighty-two thousand, four hundred twenty-one".