384247877 has 8 divisors (see below), whose sum is σ = 415131864. Its totient is φ = 353553408.

The previous prime is 384247861. The next prime is 384247907. The reversal of 384247877 is 778742483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22905796 + 361342081 = 4786^2 + 19009^2 .

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

It is not a de Polignac number, because 384247877 - 2⁴ = 384247861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384247817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43148 + ... + 51285.

It is an arithmetic number, because the mean of its divisors is an integer number (51891483).

Almost surely, 2^384247877 is an apocalyptic number.

It is an amenable number.

384247877 is a deficient number, since it is larger than the sum of its proper divisors (30883987).

384247877 is a wasteful number, since it uses less digits than its factorization.

384247877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94759.

The product of its digits is 2107392, while the sum is 50.

The square root of 384247877 is about 19602.2416320175. The cubic root of 384247877 is about 727.0046001600.

The spelling of 384247877 in words is "three hundred eighty-four million, two hundred forty-seven thousand, eight hundred seventy-seven".