338951540 has 12 divisors (see below), whose sum is σ = 711798276. Its totient is φ = 135580608.

The previous prime is 338951537. The next prime is 338951549. The reversal of 338951540 is 45159833.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190550416 + 148401124 = 13804^2 + 12182^2 .

It is a super-2 number, since 2×338951540² = 229776292936743200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338951494 and 338951503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338951549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473769 + ... + 8473808.

It is an arithmetic number, because the mean of its divisors is an integer number (59316523).

Almost surely, 2^338951540 is an apocalyptic number.

It is an amenable number.

338951540 is an abundant number, since it is smaller than the sum of its proper divisors (372846736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338951540 is a wasteful number, since it uses less digits than its factorization.

338951540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947586 (or 16947584 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 338951540 is about 18410.6365995313. The cubic root of 338951540 is about 697.2350385122.

The spelling of 338951540 in words is "three hundred thirty-eight million, nine hundred fifty-one thousand, five hundred forty".