26961330 has 32 divisors (see below), whose sum is σ = 70590528. Its totient is φ = 6536000.

The previous prime is 26961317. The next prime is 26961331. The reversal of 26961330 is 3316962.

It is a happy number.

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 (26961331) 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, 40521 + ... + 41180.

It is an arithmetic number, because the mean of its divisors is an integer number (2205954).

Almost surely, 2^26961330 is an apocalyptic number.

26961330 is an abundant number, since it is smaller than the sum of its proper divisors (43629198).

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

26961330 is a wasteful number, since it uses less digits than its factorization.

26961330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81722.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 26961330 is about 5192.4300669340. The cubic root of 26961330 is about 299.8567093480.

The spelling of 26961330 in words is "twenty-six million, nine hundred sixty-one thousand, three hundred thirty".