26894890 has 32 divisors (see below), whose sum is σ = 54639360. Its totient is φ = 9441600.

The previous prime is 26894873. The next prime is 26894921. The reversal of 26894890 is 9849862.

It is a super-2 number, since 2×26894890² = 1446670216224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26894890.

It is an unprimeable number.

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, 1026 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (1707480).

Almost surely, 2^26894890 is an apocalyptic number.

26894890 is an abundant number, since it is smaller than the sum of its proper divisors (27744470).

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

26894890 is a wasteful number, since it uses less digits than its factorization.

26894890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 26894890 is about 5186.0283454682. The cubic root of 26894890 is about 299.6101974363.

It can be divided in two parts, 26 and 894890, that added together give a square (894916 = 946²).

The spelling of 26894890 in words is "twenty-six million, eight hundred ninety-four thousand, eight hundred ninety".