26936421 has 4 divisors (see below), whose sum is σ = 35915232. Its totient is φ = 17957612.

The previous prime is 26936419. The next prime is 26936423. The reversal of 26936421 is 12463962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (26936419) and next prime (26936423).

It is a cyclic number.

It is not a de Polignac number, because 26936421 - 2¹ = 26936419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26936423) 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 3 ways as a sum of consecutive naturals, for example, 4489401 + ... + 4489406.

It is an arithmetic number, because the mean of its divisors is an integer number (8978808).

Almost surely, 2^26936421 is an apocalyptic number.

It is an amenable number.

26936421 is a deficient number, since it is larger than the sum of its proper divisors (8978811).

26936421 is an equidigital number, since it uses as much as digits as its factorization.

26936421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978810.

The product of its digits is 15552, while the sum is 33.

The square root of 26936421 is about 5190.0309247634. The cubic root of 26936421 is about 299.7643371474.

The spelling of 26936421 in words is "twenty-six million, nine hundred thirty-six thousand, four hundred twenty-one".