415820117 has 4 divisors (see below), whose sum is σ = 415863756. Its totient is φ = 415776480.

The previous prime is 415820113. The next prime is 415820129. The reversal of 415820117 is 711028514.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 136562596 + 279257521 = 11686^2 + 16711^2 .

It is a cyclic number.

It is not a de Polignac number, because 415820117 - 2² = 415820113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 415820117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415820113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 28847.

It is an arithmetic number, because the mean of its divisors is an integer number (103965939).

Almost surely, 2^415820117 is an apocalyptic number.

It is an amenable number.

415820117 is a deficient number, since it is larger than the sum of its proper divisors (43639).

415820117 is a wasteful number, since it uses less digits than its factorization.

415820117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43638.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 415820117 is about 20391.6678327203. The cubic root of 415820117 is about 746.3946172443.

The spelling of 415820117 in words is "four hundred fifteen million, eight hundred twenty thousand, one hundred seventeen".