382398490 has 8 divisors (see below), whose sum is σ = 688317300. Its totient is φ = 152959392.

The previous prime is 382398469. The next prime is 382398491. The reversal of 382398490 is 94893283.

It can be written as a sum of positive squares in 2 ways, for example, as 344956329 + 37442161 = 18573^2 + 6119^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 382398490.

It is not an unprimeable number, because it can be changed into a prime (382398491) 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, 19119915 + ... + 19119934.

Almost surely, 2^382398490 is an apocalyptic number.

382398490 is a deficient number, since it is larger than the sum of its proper divisors (305918810).

382398490 is a wasteful number, since it uses less digits than its factorization.

382398490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38239856.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 382398490 is about 19555.0118895387. The cubic root of 382398490 is about 725.8363649552.

The spelling of 382398490 in words is "three hundred eighty-two million, three hundred ninety-eight thousand, four hundred ninety".