487922399 has 4 divisors (see below), whose sum is σ = 497128536. Its totient is φ = 478716264.

The previous prime is 487922377. The next prime is 487922401. The reversal of 487922399 is 993229784.

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

It is a cyclic number.

It is not a de Polignac number, because 487922399 - 2⁸ = 487922143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 9206083 = 487922399 / (4 + 8 + 7 + 9 + 2 + 2 + 3 + 9 + 9).

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 487922399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487922339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4602989 + ... + 4603094.

It is an arithmetic number, because the mean of its divisors is an integer number (124282134).

Almost surely, 2^487922399 is an apocalyptic number.

487922399 is a deficient number, since it is larger than the sum of its proper divisors (9206137).

487922399 is an equidigital number, since it uses as much as digits as its factorization.

487922399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206136.

The product of its digits is 1959552, while the sum is 53.

The square root of 487922399 is about 22088.9655484362. The cubic root of 487922399 is about 787.2577026981.

The spelling of 487922399 in words is "four hundred eighty-seven million, nine hundred twenty-two thousand, three hundred ninety-nine".