338545730 has 32 divisors (see below), whose sum is σ = 639387648. Its totient is φ = 128894400.

The previous prime is 338545723. The next prime is 338545741. The reversal of 338545730 is 37545833.

It is a super-2 number, since 2×338545730² = 229226422602465800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9959 + ... + 27861.

It is an arithmetic number, because the mean of its divisors is an integer number (19980864).

Almost surely, 2^338545730 is an apocalyptic number.

338545730 is a deficient number, since it is larger than the sum of its proper divisors (300841918).

338545730 is a wasteful number, since it uses less digits than its factorization.

338545730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18002.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 338545730 is about 18399.6122241747. The cubic root of 338545730 is about 696.9566723237.

The spelling of 338545730 in words is "three hundred thirty-eight million, five hundred forty-five thousand, seven hundred thirty".