381024506 has 4 divisors (see below), whose sum is σ = 571536762. Its totient is φ = 190512252.

The previous prime is 381024481. The next prime is 381024551. The reversal of 381024506 is 605420183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 200364025 + 180660481 = 14155^2 + 13441^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95256125 + ... + 95256128.

Almost surely, 2^381024506 is an apocalyptic number.

381024506 is a deficient number, since it is larger than the sum of its proper divisors (190512256).

381024506 is a wasteful number, since it uses less digits than its factorization.

381024506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190512255.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 381024506 is about 19519.8490260555. The cubic root of 381024506 is about 724.9659950757.

Adding to 381024506 its reverse (605420183), we get a palindrome (986444689).

The spelling of 381024506 in words is "three hundred eighty-one million, twenty-four thousand, five hundred six".