406074943 has 2 divisors, whose sum is σ = 406074944. Its totient is φ = 406074942.

The previous prime is 406074941. The next prime is 406074953. The reversal of 406074943 is 349470604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406074943 - 2¹ = 406074941 is a prime.

Together with 406074941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406074941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203037471 + 203037472.

It is an arithmetic number, because the mean of its divisors is an integer number (203037472).

Almost surely, 2^406074943 is an apocalyptic number.

406074943 is a deficient number, since it is larger than the sum of its proper divisors (1).

406074943 is an equidigital number, since it uses as much as digits as its factorization.

406074943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 406074943 is about 20151.3012731188. The cubic root of 406074943 is about 740.5176211669.

It can be divided in two parts, 4060 and 74943, that added together give a triangular number (79003 = T₃₉₇).

The spelling of 406074943 in words is "four hundred six million, seventy-four thousand, nine hundred forty-three".