387434363 has 8 divisors (see below), whose sum is σ = 404430960. Its totient is φ = 370781280.

The previous prime is 387434353. The next prime is 387434389. The reversal of 387434363 is 363434783.

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

It is a cyclic number.

It is not a de Polignac number, because 387434363 - 2⁴ = 387434347 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387434363.

It is not an unprimeable number, because it can be changed into a prime (387434353) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 83573 + ... + 88086.

It is an arithmetic number, because the mean of its divisors is an integer number (50553870).

Almost surely, 2^387434363 is an apocalyptic number.

387434363 is a deficient number, since it is larger than the sum of its proper divisors (16996597).

387434363 is a wasteful number, since it uses less digits than its factorization.

387434363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171757.

The product of its digits is 435456, while the sum is 41.

The square root of 387434363 is about 19683.3524329571. The cubic root of 387434363 is about 729.0087020224.

The spelling of 387434363 in words is "three hundred eighty-seven million, four hundred thirty-four thousand, three hundred sixty-three".