415404487 has 4 divisors (see below), whose sum is σ = 415785640. Its totient is φ = 415023336.

The previous prime is 415404421. The next prime is 415404491. The reversal of 415404487 is 784404514.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415404487 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 (415404287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 188937 + ... + 191122.

It is an arithmetic number, because the mean of its divisors is an integer number (103946410).

Almost surely, 2^415404487 is an apocalyptic number.

415404487 is a deficient number, since it is larger than the sum of its proper divisors (381153).

415404487 is a wasteful number, since it uses less digits than its factorization.

415404487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381152.

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 415404487 is about 20381.4741125366. The cubic root of 415404487 is about 746.1458498886.

The spelling of 415404487 in words is "four hundred fifteen million, four hundred four thousand, four hundred eighty-seven".