26249091 has 8 divisors (see below), whose sum is σ = 38180544. Its totient is φ = 15908520.

The previous prime is 26249087. The next prime is 26249101. The reversal of 26249091 is 19094262.

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

It is not a de Polignac number, because 26249091 - 2² = 26249087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 795427 = 26249091 / (2 + 6 + 2 + 4 + 9 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (26249011) 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, 397681 + ... + 397746.

It is an arithmetic number, because the mean of its divisors is an integer number (4772568).

Almost surely, 2^26249091 is an apocalyptic number.

26249091 is a deficient number, since it is larger than the sum of its proper divisors (11931453).

26249091 is a wasteful number, since it uses less digits than its factorization.

26249091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795441.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 26249091 is about 5123.3866728952. The cubic root of 26249091 is about 297.1926671065.

The spelling of 26249091 in words is "twenty-six million, two hundred forty-nine thousand, ninety-one".