26622890 has 16 divisors (see below), whose sum is σ = 54767232. Its totient is φ = 9127824.

The previous prime is 26622889. The next prime is 26622931. The reversal of 26622890 is 9822662.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26622890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190094 + ... + 190233.

It is an arithmetic number, because the mean of its divisors is an integer number (3422952).

Almost surely, 2^26622890 is an apocalyptic number.

26622890 is an abundant number, since it is smaller than the sum of its proper divisors (28144342).

26622890 is a wasteful number, since it uses less digits than its factorization.

26622890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380341.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 26622890 is about 5159.7373964185. The cubic root of 26622890 is about 298.5967427608.

The spelling of 26622890 in words is "twenty-six million, six hundred twenty-two thousand, eight hundred ninety".