26238487 has 24 divisors (see below), whose sum is σ = 30930480. Its totient is φ = 22176000.

The previous prime is 26238481. The next prime is 26238503. The reversal of 26238487 is 78483262.

It is not a de Polignac number, because 26238487 - 2¹¹ = 26236439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26238481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232143 + ... + 232255.

It is an arithmetic number, because the mean of its divisors is an integer number (1288770).

Almost surely, 2^26238487 is an apocalyptic number.

26238487 is a deficient number, since it is larger than the sum of its proper divisors (4691993).

26238487 is a wasteful number, since it uses less digits than its factorization.

26238487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 244 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 26238487 is about 5122.3517060038. The cubic root of 26238487 is about 297.1526421585.

The spelling of 26238487 in words is "twenty-six million, two hundred thirty-eight thousand, four hundred eighty-seven".