405322027 has 4 divisors (see below), whose sum is σ = 442169496. Its totient is φ = 368474560.

The previous prime is 405322019. The next prime is 405322037. The reversal of 405322027 is 720223504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405322027 - 2³ = 405322019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405321992 and 405322010.

It is not an unprimeable number, because it can be changed into a prime (405322037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18423718 + ... + 18423739.

It is an arithmetic number, because the mean of its divisors is an integer number (110542374).

Almost surely, 2^405322027 is an apocalyptic number.

405322027 is a deficient number, since it is larger than the sum of its proper divisors (36847469).

405322027 is a wasteful number, since it uses less digits than its factorization.

405322027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36847468.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 405322027 is about 20132.6110328492. The cubic root of 405322027 is about 740.0596658732.

The spelling of 405322027 in words is "four hundred five million, three hundred twenty-two thousand, twenty-seven".