338930545 has 8 divisors (see below), whose sum is σ = 417709224. Its totient is φ = 263816064.

The previous prime is 338930539. The next prime is 338930551. The reversal of 338930545 is 545039833.

It is an interprime number because it is at equal distance from previous prime (338930539) and next prime (338930551).

It can be written as a sum of positive squares in 4 ways, for example, as 35892081 + 303038464 = 5991^2 + 17408^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 338930545 - 2¹⁷ = 338799473 is a prime.

It is a super-2 number, since 2×338930545² = 229747828667994050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338930498 and 338930507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915844 + ... + 916213.

It is an arithmetic number, because the mean of its divisors is an integer number (52213653).

Almost surely, 2^338930545 is an apocalyptic number.

It is an amenable number.

338930545 is a deficient number, since it is larger than the sum of its proper divisors (78778679).

338930545 is a wasteful number, since it uses less digits than its factorization.

338930545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832099.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 338930545 is about 18410.0664040084. The cubic root of 338930545 is about 697.2206424013.

The spelling of 338930545 in words is "three hundred thirty-eight million, nine hundred thirty thousand, five hundred forty-five".