338678263 has 32 divisors (see below), whose sum is σ = 431101440. Its totient is φ = 258437760.

The previous prime is 338678261. The next prime is 338678281. The reversal of 338678263 is 362876833.

It is a happy number.

It is not a de Polignac number, because 338678263 - 2¹ = 338678261 is a prime.

It is a super-2 number, since 2×338678263² = 229405931657394338, which contains 22 as substring.

Its product of digits (870912) is a multiple of the sum of its prime divisors (567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338678261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1258893 + ... + 1259161.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^338678263 is an apocalyptic number.

338678263 is a deficient number, since it is larger than the sum of its proper divisors (92423177).

338678263 is a wasteful number, since it uses less digits than its factorization.

338678263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 870912, while the sum is 46.

The square root of 338678263 is about 18403.2133878842. The cubic root of 338678263 is about 697.0476080521.

The spelling of 338678263 in words is "three hundred thirty-eight million, six hundred seventy-eight thousand, two hundred sixty-three".