26997648 has 40 divisors (see below), whose sum is σ = 69930048. Its totient is φ = 8975232.

The previous prime is 26997643. The next prime is 26997667. The reversal of 26997648 is 84679962.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26997648.

It is not an unprimeable number, because it can be changed into a prime (26997643) 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, 35286 + ... + 36042.

Almost surely, 2^26997648 is an apocalyptic number.

It is an amenable number.

26997648 is an abundant number, since it is smaller than the sum of its proper divisors (42932400).

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

26997648 is a wasteful number, since it uses less digits than its factorization.

26997648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1505 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 26997648 is about 5195.9260964721. The cubic root of 26997648 is about 299.9912886359.

The spelling of 26997648 in words is "twenty-six million, nine hundred ninety-seven thousand, six hundred forty-eight".