405493348 has 24 divisors (see below), whose sum is σ = 764782200. Its totient is φ = 187008000.

The previous prime is 405493337. The next prime is 405493373. The reversal of 405493348 is 843394504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1965604 + 403527744 = 1402^2 + 20088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 405493348.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 99348 + ... + 103348.

It is an arithmetic number, because the mean of its divisors is an integer number (31865925).

Almost surely, 2^405493348 is an apocalyptic number.

It is an amenable number.

405493348 is a deficient number, since it is larger than the sum of its proper divisors (359288852).

405493348 is a wasteful number, since it uses less digits than its factorization.

405493348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 405493348 is about 20136.8653965805. The cubic root of 405493348 is about 740.1639203460.

The spelling of 405493348 in words is "four hundred five million, four hundred ninety-three thousand, three hundred forty-eight".