26478498 has 16 divisors (see below), whose sum is σ = 53444160. Its totient is φ = 8744976.

The previous prime is 26478493. The next prime is 26478511. The reversal of 26478498 is 89487462.

It is a super-2 number, since 2×26478498² = 1402221712672008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26478493) 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, 19590 + ... + 20897.

It is an arithmetic number, because the mean of its divisors is an integer number (3340260).

Almost surely, 2^26478498 is an apocalyptic number.

26478498 is an abundant number, since it is smaller than the sum of its proper divisors (26965662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26478498 is a wasteful number, since it uses less digits than its factorization.

26478498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40601.

The product of its digits is 774144, while the sum is 48.

The square root of 26478498 is about 5145.7261878184. The cubic root of 26478498 is about 298.0559404314.

The spelling of 26478498 in words is "twenty-six million, four hundred seventy-eight thousand, four hundred ninety-eight".