382144978 has 8 divisors (see below), whose sum is σ = 573320700. Its totient is φ = 191038080.

The previous prime is 382144951. The next prime is 382144979. The reversal of 382144978 is 879441283.

It can be written as a sum of positive squares in 2 ways, for example, as 352801089 + 29343889 = 18783^2 + 5417^2 .

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

It is not an unprimeable number, because it can be changed into a prime (382144979) 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, 198 + ... + 27646.

Almost surely, 2^382144978 is an apocalyptic number.

382144978 is a deficient number, since it is larger than the sum of its proper divisors (191175722).

382144978 is a wasteful number, since it uses less digits than its factorization.

382144978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34412.

The product of its digits is 387072, while the sum is 46.

The square root of 382144978 is about 19548.5287937481. The cubic root of 382144978 is about 725.6759311745.

The spelling of 382144978 in words is "three hundred eighty-two million, one hundred forty-four thousand, nine hundred seventy-eight".