338632780 has 12 divisors (see below), whose sum is σ = 711128880. Its totient is φ = 135453104.

The previous prime is 338632753. The next prime is 338632793. The reversal of 338632780 is 87236833.

It is a super-2 number, since 2×338632780² = 229344319381056800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465800 + ... + 8465839.

It is an arithmetic number, because the mean of its divisors is an integer number (59260740).

Almost surely, 2^338632780 is an apocalyptic number.

It is an amenable number.

338632780 is an abundant number, since it is smaller than the sum of its proper divisors (372496100).

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

338632780 is a wasteful number, since it uses less digits than its factorization.

338632780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931648 (or 16931646 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 338632780 is about 18401.9776111156. The cubic root of 338632780 is about 697.0164031800.

The spelling of 338632780 in words is "three hundred thirty-eight million, six hundred thirty-two thousand, seven hundred eighty".