338941945 has 12 divisors (see below), whose sum is σ = 412918884. Its totient is φ = 267088800.

The previous prime is 338941921. The next prime is 338941951. The reversal of 338941945 is 549149833.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78216336 + 260725609 = 8844^2 + 16147^2 .

It is not a de Polignac number, because 338941945 - 2¹⁵ = 338909177 is a prime.

It is a super-2 number, since 2×338941945² = 229763284160766050, 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 = 338941895 and 338941904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14895 + ... + 29995.

It is an arithmetic number, because the mean of its divisors is an integer number (34409907).

Almost surely, 2^338941945 is an apocalyptic number.

It is an amenable number.

338941945 is a deficient number, since it is larger than the sum of its proper divisors (73976939).

338941945 is an equidigital number, since it uses as much as digits as its factorization.

338941945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240 (or 15173 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 338941945 is about 18410.3760146283. The cubic root of 338941945 is about 697.2284593678.

The spelling of 338941945 in words is "three hundred thirty-eight million, nine hundred forty-one thousand, nine hundred forty-five".