408872487 has 8 divisors (see below), whose sum is σ = 546709104. Its totient is φ = 271808768.

The previous prime is 408872473. The next prime is 408872521. The reversal of 408872487 is 784278804.

It is a happy number.

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 408872487 - 2⁸ = 408872231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408872467) 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, 191988 + ... + 194105.

It is an arithmetic number, because the mean of its divisors is an integer number (68338638).

Almost surely, 2^408872487 is an apocalyptic number.

408872487 is a deficient number, since it is larger than the sum of its proper divisors (137836617).

408872487 is a wasteful number, since it uses less digits than its factorization.

408872487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386449.

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 408872487 is about 20220.5956143730. The cubic root of 408872487 is about 742.2142631903.

The spelling of 408872487 in words is "four hundred eight million, eight hundred seventy-two thousand, four hundred eighty-seven".