26249379 has 16 divisors (see below), whose sum is σ = 38992800. Its totient is φ = 15595776.

The previous prime is 26249323. The next prime is 26249381. The reversal of 26249379 is 97394262.

It is a happy number.

It is not a de Polignac number, because 26249379 - 2⁸ = 26249123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26249379.

It is not an unprimeable number, because it can be changed into a prime (26249879) 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, 10474 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (2437050).

Almost surely, 2^26249379 is an apocalyptic number.

26249379 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26249379 is a deficient number, since it is larger than the sum of its proper divisors (12743421).

26249379 is a wasteful number, since it uses less digits than its factorization.

26249379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254.

The product of its digits is 163296, while the sum is 42.

The square root of 26249379 is about 5123.4147792268. The cubic root of 26249379 is about 297.1937540162.

The spelling of 26249379 in words is "twenty-six million, two hundred forty-nine thousand, three hundred seventy-nine".