387424834 has 8 divisors (see below), whose sum is σ = 606404160. Its totient is φ = 185290116.

The previous prime is 387424823. The next prime is 387424837. The reversal of 387424834 is 438424783.

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 (387424837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4211094 + ... + 4211185.

It is an arithmetic number, because the mean of its divisors is an integer number (75800520).

Almost surely, 2^387424834 is an apocalyptic number.

387424834 is a deficient number, since it is larger than the sum of its proper divisors (218979326).

387424834 is a wasteful number, since it uses less digits than its factorization.

387424834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422304.

The product of its digits is 516096, while the sum is 43.

The square root of 387424834 is about 19683.1103741253. The cubic root of 387424834 is about 729.0027252845.

The spelling of 387424834 in words is "three hundred eighty-seven million, four hundred twenty-four thousand, eight hundred thirty-four".