26172393 has 8 divisors (see below), whose sum is σ = 37580928. Its totient is φ = 16106064.

The previous prime is 26172389. The next prime is 26172397. The reversal of 26172393 is 39327162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26172389) and next prime (26172397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26172393 - 2² = 26172389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26172397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335505 + ... + 335582.

It is an arithmetic number, because the mean of its divisors is an integer number (4697616).

Almost surely, 2^26172393 is an apocalyptic number.

It is an amenable number.

26172393 is a deficient number, since it is larger than the sum of its proper divisors (11408535).

26172393 is a wasteful number, since it uses less digits than its factorization.

26172393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671103.

The product of its digits is 13608, while the sum is 33.

The square root of 26172393 is about 5115.8961091875. The cubic root of 26172393 is about 296.9029260231.

It can be divided in two parts, 26172 and 393, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 26172393 in words is "twenty-six million, one hundred seventy-two thousand, three hundred ninety-three".