405974034 has 24 divisors (see below), whose sum is σ = 889497180. Its totient is φ = 133803648.

The previous prime is 405974033. The next prime is 405974069. The reversal of 405974034 is 430479504.

It can be written as a sum of positive squares in 2 ways, for example, as 357323409 + 48650625 = 18903^2 + 6975^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405974034.

It is not an unprimeable number, because it can be changed into a prime (405974033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 125107 + ... + 128310.

Almost surely, 2^405974034 is an apocalyptic number.

405974034 is an abundant number, since it is smaller than the sum of its proper divisors (483523146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405974034 is a wasteful number, since it uses less digits than its factorization.

405974034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253514 (or 253511 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 405974034 is about 20148.7973338361. The cubic root of 405974034 is about 740.4562769213.

The spelling of 405974034 in words is "four hundred five million, nine hundred seventy-four thousand, thirty-four".