338074785 has 12 divisors (see below), whose sum is σ = 585996372. Its totient is φ = 180306528.

The previous prime is 338074783. The next prime is 338074787. The reversal of 338074785 is 587470833.

It is an interprime number because it is at equal distance from previous prime (338074783) and next prime (338074787).

It can be written as a sum of positive squares in 2 ways, for example, as 257506209 + 80568576 = 16047^2 + 8976^2 .

It is not a de Polignac number, because 338074785 - 2¹ = 338074783 is a prime.

It is a super-2 number, since 2×338074785² = 228589120505592450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7512773 = 338074785 / (3 + 3 + 8 + 0 + 7 + 4 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 338074785.

It is not an unprimeable number, because it can be changed into a prime (338074783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3756342 + ... + 3756431.

It is an arithmetic number, because the mean of its divisors is an integer number (48833031).

Almost surely, 2^338074785 is an apocalyptic number.

It is an amenable number.

338074785 is a deficient number, since it is larger than the sum of its proper divisors (247921587).

338074785 is a wasteful number, since it uses less digits than its factorization.

338074785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512784 (or 7512781 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 338074785 is about 18386.8100822301. The cubic root of 338074785 is about 696.6333476379.

The spelling of 338074785 in words is "three hundred thirty-eight million, seventy-four thousand, seven hundred eighty-five".