266798948 has 18 divisors (see below), whose sum is σ = 505577394. Its totient is φ = 123137664.

The previous prime is 266798947. The next prime is 266798951. The reversal of 266798948 is 849897662.

It can be written as a sum of positive squares in 3 ways, for example, as 34480384 + 232318564 = 5872^2 + 15242^2 .

It is not an unprimeable number, because it can be changed into a prime (266798947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196661 + ... + 198012.

It is an arithmetic number, because the mean of its divisors is an integer number (28087633).

Almost surely, 2^266798948 is an apocalyptic number.

It is an amenable number.

266798948 is a deficient number, since it is larger than the sum of its proper divisors (238778446).

266798948 is a wasteful number, since it uses less digits than its factorization.

266798948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394703 (or 394688 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 266798948 is about 16333.9813885042. The cubic root of 266798948 is about 643.7660023295.

The spelling of 266798948 in words is "two hundred sixty-six million, seven hundred ninety-eight thousand, nine hundred forty-eight".