380420678 has 8 divisors (see below), whose sum is σ = 622506600. Its totient is φ = 172918480.

The previous prime is 380420671. The next prime is 380420723. The reversal of 380420678 is 876024083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380420671) 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 3 ways as a sum of consecutive naturals, for example, 8645903 + ... + 8645946.

It is an arithmetic number, because the mean of its divisors is an integer number (77813325).

Almost surely, 2^380420678 is an apocalyptic number.

380420678 is a deficient number, since it is larger than the sum of its proper divisors (242085922).

380420678 is a wasteful number, since it uses less digits than its factorization.

380420678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291862.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 380420678 is about 19504.3758679943. The cubic root of 380420678 is about 724.5828296821.

The spelling of 380420678 in words is "three hundred eighty million, four hundred twenty thousand, six hundred seventy-eight".