415344399 has 16 divisors (see below), whose sum is σ = 562543200. Its totient is φ = 272549376.

The previous prime is 415344383. The next prime is 415344401. The reversal of 415344399 is 993443514.

It is a Cunningham number, because it is equal to 20380²-1.

It is not a de Polignac number, because 415344399 - 2⁴ = 415344383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 415344399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415344899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57747 + ... + 64539.

It is an arithmetic number, because the mean of its divisors is an integer number (35158950).

Almost surely, 2^415344399 is an apocalyptic number.

415344399 is a deficient number, since it is larger than the sum of its proper divisors (147198801).

415344399 is a wasteful number, since it uses less digits than its factorization.

415344399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114.

The product of its digits is 233280, while the sum is 42.

The square root of 415344399 is about 20379.9999754661. Note that the first 4 decimals coincide. The cubic root of 415344399 is about 746.1098716431.

The spelling of 415344399 in words is "four hundred fifteen million, three hundred forty-four thousand, three hundred ninety-nine".