406552943 has 8 divisors (see below), whose sum is σ = 445312080. Its totient is φ = 369443200.

The previous prime is 406552931. The next prime is 406552963. The reversal of 406552943 is 349255604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406552943 - 2¹⁰ = 406551919 is a prime.

It is a super-2 number, since 2×406552943² = 330570590923922498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406552897 and 406552906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406552903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411833 + ... + 412818.

It is an arithmetic number, because the mean of its divisors is an integer number (55664010).

Almost surely, 2^406552943 is an apocalyptic number.

406552943 is a deficient number, since it is larger than the sum of its proper divisors (38759137).

406552943 is a wasteful number, since it uses less digits than its factorization.

406552943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824697.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 406552943 is about 20163.1580611768. The cubic root of 406552943 is about 740.8080672468.

The spelling of 406552943 in words is "four hundred six million, five hundred fifty-two thousand, nine hundred forty-three".