380678740 has 24 divisors (see below), whose sum is σ = 860920200. Its totient is φ = 140558208.

The previous prime is 380678723. The next prime is 380678743. The reversal of 380678740 is 47876083.

It can be written as a sum of positive squares in 4 ways, for example, as 91814724 + 288864016 = 9582^2 + 16996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380678743) by changing a digit.

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, 731815 + ... + 732334.

It is an arithmetic number, because the mean of its divisors is an integer number (35871675).

Almost surely, 2^380678740 is an apocalyptic number.

It is an amenable number.

380678740 is an abundant number, since it is smaller than the sum of its proper divisors (480241460).

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

380678740 is a wasteful number, since it uses less digits than its factorization.

380678740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464171 (or 1464169 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 380678740 is about 19510.9902362745. The cubic root of 380678740 is about 724.7466352088.

The spelling of 380678740 in words is "three hundred eighty million, six hundred seventy-eight thousand, seven hundred forty".