487008405 has 24 divisors (see below), whose sum is σ = 909083448. Its totient is φ = 239757696.

The previous prime is 487008391. The next prime is 487008413. The reversal of 487008405 is 504800784.

It can be written as a sum of positive squares in 4 ways, for example, as 10284849 + 476723556 = 3207^2 + 21834^2 .

It is not a de Polignac number, because 487008405 - 2⁶ = 487008341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487008405.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 415662 + ... + 416831.

It is an arithmetic number, because the mean of its divisors is an integer number (37878477).

Almost surely, 2^487008405 is an apocalyptic number.

487008405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487008405 is a deficient number, since it is larger than the sum of its proper divisors (422075043).

487008405 is a wasteful number, since it uses less digits than its factorization.

487008405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832517 (or 832514 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 487008405 is about 22068.2669233449. The cubic root of 487008405 is about 786.7658221714.

The spelling of 487008405 in words is "four hundred eighty-seven million, eight thousand, four hundred five".