381266498 has 6 divisors (see below), whose sum is σ = 571941171. Its totient is φ = 190619442.

The previous prime is 381266467. The next prime is 381266513. The reversal of 381266498 is 894662183.

It can be written as a sum of positive squares in only one way, i.e., 190633249 + 190633249 = 13807^2 + 13807^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13807.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20711 + ... + 34517.

Almost surely, 2^381266498 is an apocalyptic number.

381266498 is a deficient number, since it is larger than the sum of its proper divisors (190674673).

381266498 is an frugal number, since it uses more digits than its factorization.

381266498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27616 (or 13809 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 381266498 is about 19526.0466556853. The cubic root of 381266498 is about 725.1194400126.

The spelling of 381266498 in words is "three hundred eighty-one million, two hundred sixty-six thousand, four hundred ninety-eight".