405214005 has 16 divisors (see below), whose sum is σ = 740962944. Its totient is φ = 185240640.

The previous prime is 405214003. The next prime is 405214009. The reversal of 405214005 is 500412504.

It is not a de Polignac number, because 405214005 - 2¹ = 405214003 is a prime.

It is a super-4 number, since 4×405214005⁴ (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405214001) 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 15 ways as a sum of consecutive naturals, for example, 1929486 + ... + 1929695.

It is an arithmetic number, because the mean of its divisors is an integer number (46310184).

Almost surely, 2^405214005 is an apocalyptic number.

It is an amenable number.

405214005 is a deficient number, since it is larger than the sum of its proper divisors (335748939).

405214005 is a wasteful number, since it uses less digits than its factorization.

405214005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859196.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 405214005 is about 20129.9280922710. The cubic root of 405214005 is about 739.9939158253.

Adding to 405214005 its reverse (500412504), we get a palindrome (905626509).

The spelling of 405214005 in words is "four hundred five million, two hundred fourteen thousand, five".