26988190 has 8 divisors (see below), whose sum is σ = 48578760. Its totient is φ = 10795272.

The previous prime is 26988187. The next prime is 26988191. The reversal of 26988190 is 9188962.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26988190² = 1456724798952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26988191) 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, 1349400 + ... + 1349419.

It is an arithmetic number, because the mean of its divisors is an integer number (6072345).

Almost surely, 2^26988190 is an apocalyptic number.

26988190 is a deficient number, since it is larger than the sum of its proper divisors (21590570).

26988190 is a wasteful number, since it uses less digits than its factorization.

26988190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698826.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 26988190 is about 5195.0158806302. The cubic root of 26988190 is about 299.9562528802.

The spelling of 26988190 in words is "twenty-six million, nine hundred eighty-eight thousand, one hundred ninety".