26322990 has 32 divisors (see below), whose sum is σ = 63313056. Its totient is φ = 7004160.

The previous prime is 26322979. The next prime is 26322991. The reversal of 26322990 is 9922362.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26322991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22254 + ... + 23406.

It is an arithmetic number, because the mean of its divisors is an integer number (1978533).

Almost surely, 2^26322990 is an apocalyptic number.

26322990 is an abundant number, since it is smaller than the sum of its proper divisors (36990066).

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

26322990 is a wasteful number, since it uses less digits than its factorization.

26322990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 26322990 is about 5130.5935329161. The cubic root of 26322990 is about 297.4713010472.

The spelling of 26322990 in words is "twenty-six million, three hundred twenty-two thousand, nine hundred ninety".