407805049 has 4 divisors (see below), whose sum is σ = 407846736. Its totient is φ = 407763364.

The previous prime is 407804939. The next prime is 407805067. The reversal of 407805049 is 940508704.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 407805049 - 2⁷ = 407804921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 407804999 and 407805017.

It is not an unprimeable number, because it can be changed into a prime (407800049) 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, 2682 + ... + 28684.

It is an arithmetic number, because the mean of its divisors is an integer number (101961684).

Almost surely, 2^407805049 is an apocalyptic number.

It is an amenable number.

407805049 is a deficient number, since it is larger than the sum of its proper divisors (41687).

407805049 is a wasteful number, since it uses less digits than its factorization.

407805049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41686.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 407805049 is about 20194.1835437831. The cubic root of 407805049 is about 741.5678039723.

The spelling of 407805049 in words is "four hundred seven million, eight hundred five thousand, forty-nine".