26987244 has 24 divisors (see below), whose sum is σ = 63101808. Its totient is φ = 8976960.

The previous prime is 26987209. The next prime is 26987291. The reversal of 26987244 is 44278962.

It is a super-2 number, since 2×26987244² = 1456622677431072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26987196 and 26987205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (2629242).

Almost surely, 2^26987244 is an apocalyptic number.

It is an amenable number.

26987244 is an abundant number, since it is smaller than the sum of its proper divisors (36114564).

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

26987244 is a wasteful number, since it uses less digits than its factorization.

26987244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4703 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 26987244 is about 5194.9248310250. The cubic root of 26987244 is about 299.9527481135.

The spelling of 26987244 in words is "twenty-six million, nine hundred eighty-seven thousand, two hundred forty-four".