405836061 has 8 divisors (see below), whose sum is σ = 541215360. Its totient is φ = 270507072.

The previous prime is 405836009. The next prime is 405836083. The reversal of 405836061 is 160638504.

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

It is a de Polignac number, because none of the positive numbers 2^k-405836061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405836261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14700 + ... + 32058.

It is an arithmetic number, because the mean of its divisors is an integer number (67651920).

Almost surely, 2^405836061 is an apocalyptic number.

It is an amenable number.

405836061 is a deficient number, since it is larger than the sum of its proper divisors (135379299).

405836061 is a wasteful number, since it uses less digits than its factorization.

405836061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25155.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 405836061 is about 20145.3731908843. The cubic root of 405836061 is about 740.3723844051.

The spelling of 405836061 in words is "four hundred five million, eight hundred thirty-six thousand, sixty-one".