338279240 has 32 divisors (see below), whose sum is σ = 819677880. Its totient is φ = 124902912.

The previous prime is 338279219. The next prime is 338279251. The reversal of 338279240 is 42972833.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161442436 + 176836804 = 12706^2 + 13298^2 .

It is a super-2 number, since 2×338279240² = 228865688429955200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338279194 and 338279203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324749 + ... + 325788.

Almost surely, 2^338279240 is an apocalyptic number.

It is an amenable number.

338279240 is an abundant number, since it is smaller than the sum of its proper divisors (481398640).

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

338279240 is a wasteful number, since it uses less digits than its factorization.

338279240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650561 (or 650557 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 338279240 is about 18392.3690698072. The cubic root of 338279240 is about 696.7737519458.

The spelling of 338279240 in words is "three hundred thirty-eight million, two hundred seventy-nine thousand, two hundred forty".