415380865 has 8 divisors (see below), whose sum is σ = 498574440. Its totient is φ = 332226432.

The previous prime is 415380863. The next prime is 415380871. The reversal of 415380865 is 568083514.

It can be written as a sum of positive squares in 4 ways, for example, as 18215824 + 397165041 = 4268^2 + 19929^2 .

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 415380865 - 2¹ = 415380863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (415380863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24477 + ... + 37813.

It is an arithmetic number, because the mean of its divisors is an integer number (62321805).

Almost surely, 2^415380865 is an apocalyptic number.

It is an amenable number.

415380865 is a deficient number, since it is larger than the sum of its proper divisors (83193575).

415380865 is a wasteful number, since it uses less digits than its factorization.

415380865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19571.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 415380865 is about 20380.8946074504. The cubic root of 415380865 is about 746.1317064116.

The spelling of 415380865 in words is "four hundred fifteen million, three hundred eighty thousand, eight hundred sixty-five".