415208993 has 4 divisors (see below), whose sum is σ = 415443648. Its totient is φ = 414974340.

The previous prime is 415208987. The next prime is 415209001. The reversal of 415208993 is 399802514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 415208993 - 2⁶ = 415208929 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 415208993.

It is not an unprimeable number, because it can be changed into a prime (415208933) 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, 114653 + ... + 118218.

It is an arithmetic number, because the mean of its divisors is an integer number (103860912).

Almost surely, 2^415208993 is an apocalyptic number.

It is an amenable number.

415208993 is a deficient number, since it is larger than the sum of its proper divisors (234655).

415208993 is a wasteful number, since it uses less digits than its factorization.

415208993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234654.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 415208993 is about 20376.6776732617. The cubic root of 415208993 is about 746.0287833269.

The spelling of 415208993 in words is "four hundred fifteen million, two hundred eight thousand, nine hundred ninety-three".