415447842 has 16 divisors (see below), whose sum is σ = 836962272. Its totient is φ = 137471520.

The previous prime is 415447841. The next prime is 415447843. The reversal of 415447842 is 248744514.

It is an interprime number because it is at equal distance from previous prime (415447841) and next prime (415447843).

It is a self number, because there is not a number n which added to its sum of digits gives 415447842.

It is not an unprimeable number, because it can be changed into a prime (415447841) 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 7 ways as a sum of consecutive naturals, for example, 251884 + ... + 253527.

It is an arithmetic number, because the mean of its divisors is an integer number (52310142).

Almost surely, 2^415447842 is an apocalyptic number.

415447842 is an abundant number, since it is smaller than the sum of its proper divisors (421514430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

415447842 is a wasteful number, since it uses less digits than its factorization.

415447842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505553.

The product of its digits is 143360, while the sum is 39.

The square root of 415447842 is about 20382.5376732143. The cubic root of 415447842 is about 746.1718069409.

The spelling of 415447842 in words is "four hundred fifteen million, four hundred forty-seven thousand, eight hundred forty-two".