338740380 has 120 divisors (see below), whose sum is σ = 1159305840. Its totient is φ = 82114560.

The previous prime is 338740357. The next prime is 338740397. The reversal of 338740380 is 83047833.

It is a super-2 number, since 2×338740380² = 229490090085088800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 8316 + ... + 27324.

It is an arithmetic number, because the mean of its divisors is an integer number (9660882).

Almost surely, 2^338740380 is an apocalyptic number.

338740380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338740380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579652920).

338740380 is an abundant number, since it is smaller than the sum of its proper divisors (820565460).

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

338740380 is a wasteful number, since it uses less digits than its factorization.

338740380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19041 (or 19030 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 338740380 is about 18404.9009777287. The cubic root of 338740380 is about 697.0902206279.

The spelling of 338740380 in words is "three hundred thirty-eight million, seven hundred forty thousand, three hundred eighty".