382398778 has 8 divisors (see below), whose sum is σ = 578115072. Its totient is φ = 189693756.

The previous prime is 382398761. The next prime is 382398791. The reversal of 382398778 is 877893283.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752500 + ... + 753007.

It is an arithmetic number, because the mean of its divisors is an integer number (72264384).

Almost surely, 2^382398778 is an apocalyptic number.

382398778 is a deficient number, since it is larger than the sum of its proper divisors (195716294).

382398778 is a wasteful number, since it uses less digits than its factorization.

382398778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505636.

The product of its digits is 4064256, while the sum is 55.

The square root of 382398778 is about 19555.0192533784. The cubic root of 382398778 is about 725.8365471742.

The spelling of 382398778 in words is "three hundred eighty-two million, three hundred ninety-eight thousand, seven hundred seventy-eight".