26598949 has 4 divisors (see below), whose sum is σ = 28645036. Its totient is φ = 24552864.

The previous prime is 26598947. The next prime is 26598977. The reversal of 26598949 is 94989562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94989562 = 2 ⋅47494781.

It can be written as a sum of positive squares in 2 ways, for example, as 16957924 + 9641025 = 4118^2 + 3105^2 .

It is a cyclic number.

It is not a de Polignac number, because 26598949 - 2¹ = 26598947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26598896 and 26598905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26598947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023024 + ... + 1023049.

It is an arithmetic number, because the mean of its divisors is an integer number (7161259).

Almost surely, 2^26598949 is an apocalyptic number.

It is an amenable number.

26598949 is a deficient number, since it is larger than the sum of its proper divisors (2046087).

26598949 is a wasteful number, since it uses less digits than its factorization.

26598949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046086.

The product of its digits is 1399680, while the sum is 52.

The square root of 26598949 is about 5157.4168922049. The cubic root of 26598949 is about 298.5072101750.

The spelling of 26598949 in words is "twenty-six million, five hundred ninety-eight thousand, nine hundred forty-nine".