805390413 has 8 divisors (see below), whose sum is σ = 1074074976. Its totient is φ = 536816400.

The previous prime is 805390409. The next prime is 805390483. The reversal of 805390413 is 314093508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 805390413 - 2² = 805390409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805390403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8803 + ... + 41088.

It is an arithmetic number, because the mean of its divisors is an integer number (134259372).

Almost surely, 2^805390413 is an apocalyptic number.

It is an amenable number.

805390413 is a deficient number, since it is larger than the sum of its proper divisors (268684563).

805390413 is a wasteful number, since it uses less digits than its factorization.

805390413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 805390413 is about 28379.4012093279. The cubic root of 805390413 is about 930.3981079701.

The spelling of 805390413 in words is "eight hundred five million, three hundred ninety thousand, four hundred thirteen".