406434973 has 16 divisors (see below), whose sum is σ = 478143360. Its totient is φ = 338181696.

The previous prime is 406434953. The next prime is 406434979. The reversal of 406434973 is 379434604.

It is a cyclic number.

It is not a de Polignac number, because 406434973 - 2²¹ = 404337821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406434979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130290 + ... + 133372.

It is an arithmetic number, because the mean of its divisors is an integer number (29883960).

Almost surely, 2^406434973 is an apocalyptic number.

It is an amenable number.

406434973 is a deficient number, since it is larger than the sum of its proper divisors (71708387).

406434973 is a wasteful number, since it uses less digits than its factorization.

406434973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 406434973 is about 20160.2324639375. The cubic root of 406434973 is about 740.7364065660.

The spelling of 406434973 in words is "four hundred six million, four hundred thirty-four thousand, nine hundred seventy-three".