405795449 has 4 divisors (see below), whose sum is σ = 405971280. Its totient is φ = 405619620.

The previous prime is 405795433. The next prime is 405795473. The reversal of 405795449 is 944597504.

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 405795449 - 2⁴ = 405795433 is a prime.

It is a super-2 number, since 2×405795449² = 329339892858223202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405794449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84407 + ... + 89084.

It is an arithmetic number, because the mean of its divisors is an integer number (101492820).

Almost surely, 2^405795449 is an apocalyptic number.

It is an amenable number.

405795449 is a deficient number, since it is larger than the sum of its proper divisors (175831).

405795449 is a wasteful number, since it uses less digits than its factorization.

405795449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175830.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 405795449 is about 20144.3651922814. The cubic root of 405795449 is about 740.3476872353.

The spelling of 405795449 in words is "four hundred five million, seven hundred ninety-five thousand, four hundred forty-nine".