405433652 has 12 divisors (see below), whose sum is σ = 764086596. Its totient is φ = 187123200.

The previous prime is 405433597. The next prime is 405433661. The reversal of 405433652 is 256334504.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 348792976 = 7526^2 + 18676^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3898349 + ... + 3898452.

It is an arithmetic number, because the mean of its divisors is an integer number (63673883).

Almost surely, 2^405433652 is an apocalyptic number.

It is an amenable number.

405433652 is a deficient number, since it is larger than the sum of its proper divisors (358652944).

405433652 is a wasteful number, since it uses less digits than its factorization.

405433652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796818 (or 7796816 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 405433652 is about 20135.3830855040. The cubic root of 405433652 is about 740.1275966973.

The spelling of 405433652 in words is "four hundred five million, four hundred thirty-three thousand, six hundred fifty-two".