26623401 has 16 divisors (see below), whose sum is σ = 40735104. Its totient is φ = 15151104.

The previous prime is 26623393. The next prime is 26623417. The reversal of 26623401 is 10432662.

It is not a de Polignac number, because 26623401 - 2³ = 26623393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26623481) 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, 2931 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (2545944).

Almost surely, 2^26623401 is an apocalyptic number.

26623401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26623401 is a deficient number, since it is larger than the sum of its proper divisors (14111703).

26623401 is a wasteful number, since it uses less digits than its factorization.

26623401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 26623401 is about 5159.7869142049. The cubic root of 26623401 is about 298.5986531714.

The spelling of 26623401 in words is "twenty-six million, six hundred twenty-three thousand, four hundred one".