26998371 has 6 divisors (see below), whose sum is σ = 38997660. Its totient is φ = 17998908.

The previous prime is 26998369. The next prime is 26998379. The reversal of 26998371 is 17389962.

It is not a de Polignac number, because 26998371 - 2¹ = 26998369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26998379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499901 + ... + 1499918.

It is an arithmetic number, because the mean of its divisors is an integer number (6499610).

Almost surely, 2^26998371 is an apocalyptic number.

26998371 is a deficient number, since it is larger than the sum of its proper divisors (11999289).

26998371 is a wasteful number, since it uses less digits than its factorization.

26998371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999825 (or 2999822 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 26998371 is about 5195.9956697442. The cubic root of 26998371 is about 299.9939665453.

Adding to 26998371 its sum of digits (45), we get a square (26998416 = 5196²).

The spelling of 26998371 in words is "twenty-six million, nine hundred ninety-eight thousand, three hundred seventy-one".