981353266 has 8 divisors (see below), whose sum is σ = 1472163840. Its totient is φ = 490631988.

The previous prime is 981353227. The next prime is 981353291. The reversal of 981353266 is 662353189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26575 + ... + 51661.

It is an arithmetic number, because the mean of its divisors is an integer number (184020480).

Almost surely, 2^981353266 is an apocalyptic number.

981353266 is a deficient number, since it is larger than the sum of its proper divisors (490810574).

981353266 is a wasteful number, since it uses less digits than its factorization.

981353266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44648.

The product of its digits is 233280, while the sum is 43.

The square root of 981353266 is about 31326.5584767941. The cubic root of 981353266 is about 993.7453833310.

The spelling of 981353266 in words is "nine hundred eighty-one million, three hundred fifty-three thousand, two hundred sixty-six".