26989050 has 72 divisors (see below), whose sum is σ = 73620288. Its totient is φ = 6538400.

The previous prime is 26989009. The next prime is 26989069. The reversal of 26989050 is 5098962.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17407 + ... + 18893.

It is an arithmetic number, because the mean of its divisors is an integer number (1022504).

Almost surely, 2^26989050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26989050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36810144).

26989050 is an abundant number, since it is smaller than the sum of its proper divisors (46631238).

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

26989050 is a wasteful number, since it uses less digits than its factorization.

26989050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 26989050 is about 5195.0986516138. The cubic root of 26989050 is about 299.9594389607.

The spelling of 26989050 in words is "twenty-six million, nine hundred eighty-nine thousand, fifty".