26891130 has 32 divisors (see below), whose sum is σ = 73759104. Its totient is φ = 6146496.

The previous prime is 26891077. The next prime is 26891131. The reversal of 26891130 is 3119862.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26891131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63817 + ... + 64236.

It is an arithmetic number, because the mean of its divisors is an integer number (2304972).

Almost surely, 2^26891130 is an apocalyptic number.

26891130 is an abundant number, since it is smaller than the sum of its proper divisors (46867974).

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

26891130 is a wasteful number, since it uses less digits than its factorization.

26891130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128070.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 26891130 is about 5185.6658203166. The cubic root of 26891130 is about 299.5962345999.

The spelling of 26891130 in words is "twenty-six million, eight hundred ninety-one thousand, one hundred thirty".