338276493 has 10 divisors (see below), whose sum is σ = 505326734. Its totient is φ = 225517608.

The previous prime is 338276473. The next prime is 338276567. The reversal of 338276493 is 394672833.

338276493 is a `hidden beast` number, since 338 + 276 + 49 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 263315529 + 74960964 = 16227^2 + 8658^2 .

It is not a de Polignac number, because 338276493 - 2⁶ = 338276429 is a prime.

It is a super-2 number, since 2×338276493² = 228861971432758098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338276413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2088046 + ... + 2088207.

Almost surely, 2^338276493 is an apocalyptic number.

It is an amenable number.

338276493 is a deficient number, since it is larger than the sum of its proper divisors (167050241).

338276493 is an equidigital number, since it uses as much as digits as its factorization.

338276493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176265 (or 4176256 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 338276493 is about 18392.2943919458. The cubic root of 338276493 is about 696.7718658879.

The spelling of 338276493 in words is "three hundred thirty-eight million, two hundred seventy-six thousand, four hundred ninety-three".