890378266 has 16 divisors (see below), whose sum is σ = 1408168800. Its totient is φ = 421065648.

The previous prime is 890378239. The next prime is 890378273. The reversal of 890378266 is 662873098.

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 7 ways as a sum of consecutive naturals, for example, 4596 + ... + 42448.

It is an arithmetic number, because the mean of its divisors is an integer number (88010550).

Almost surely, 2^890378266 is an apocalyptic number.

890378266 is a deficient number, since it is larger than the sum of its proper divisors (517790534).

890378266 is a wasteful number, since it uses less digits than its factorization.

890378266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38493.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 890378266 is about 29839.2068594324. The cubic root of 890378266 is about 962.0364272610.

The spelling of 890378266 in words is "eight hundred ninety million, three hundred seventy-eight thousand, two hundred sixty-six".