386261266 has 8 divisors (see below), whose sum is σ = 599371020. Its totient is φ = 186470928.

The previous prime is 386261251. The next prime is 386261273. The reversal of 386261266 is 662162683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 385926025 + 335241 = 19645^2 + 579^2 .

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

It is a super-2 number, since 2×386261266² = 298395531223845512, which contains 22 as substring.

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, 3329781 + ... + 3329896.

Almost surely, 2^386261266 is an apocalyptic number.

386261266 is a deficient number, since it is larger than the sum of its proper divisors (213109754).

386261266 is a wasteful number, since it uses less digits than its factorization.

386261266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659708.

The product of its digits is 124416, while the sum is 40.

The square root of 386261266 is about 19653.5306242924. The cubic root of 386261266 is about 728.2721794026.

The spelling of 386261266 in words is "three hundred eighty-six million, two hundred sixty-one thousand, two hundred sixty-six".