26490039 has 8 divisors (see below), whose sum is σ = 36274800. Its totient is φ = 17182656.

The previous prime is 26490019. The next prime is 26490053. The reversal of 26490039 is 93009462.

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

It is not a de Polignac number, because 26490039 - 2⁵ = 26490007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26489991 and 26490009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26490019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119214 + ... + 119435.

It is an arithmetic number, because the mean of its divisors is an integer number (4534350).

Almost surely, 2^26490039 is an apocalyptic number.

26490039 is a deficient number, since it is larger than the sum of its proper divisors (9784761).

26490039 is a wasteful number, since it uses less digits than its factorization.

26490039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238689.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 26490039 is about 5146.8474817115. The cubic root of 26490039 is about 298.0992380026.

The spelling of 26490039 in words is "twenty-six million, four hundred ninety thousand, thirty-nine".