405346412 has 12 divisors (see below), whose sum is σ = 712958400. Its totient is φ = 201644016.

The previous prime is 405346397. The next prime is 405346441. The reversal of 405346412 is 214643504.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 256412 + ... + 257987.

It is an arithmetic number, because the mean of its divisors is an integer number (59413200).

Almost surely, 2^405346412 is an apocalyptic number.

It is an amenable number.

405346412 is a deficient number, since it is larger than the sum of its proper divisors (307611988).

405346412 is a wasteful number, since it uses less digits than its factorization.

405346412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514600 (or 514598 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 405346412 is about 20133.2166332159. The cubic root of 405346412 is about 740.0745067420.

Adding to 405346412 its reverse (214643504), we get a palindrome (619989916).

The spelling of 405346412 in words is "four hundred five million, three hundred forty-six thousand, four hundred twelve".