389760078 has 8 divisors (see below), whose sum is σ = 779520168. Its totient is φ = 129920024.

The previous prime is 389760073. The next prime is 389760089. The reversal of 389760078 is 870067983.

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

389760078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389760073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32480001 + ... + 32480012.

It is an arithmetic number, because the mean of its divisors is an integer number (97440021).

Almost surely, 2^389760078 is an apocalyptic number.

389760078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

389760078 is a wasteful number, since it uses less digits than its factorization.

389760078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64960018.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 389760078 is about 19742.3422622545. The cubic root of 389760078 is about 730.4645057691.

The spelling of 389760078 in words is "three hundred eighty-nine million, seven hundred sixty thousand, seventy-eight".