406873245 has 16 divisors (see below), whose sum is σ = 660715200. Its totient is φ = 213759744.

The previous prime is 406873241. The next prime is 406873253. The reversal of 406873245 is 542378604.

It is a happy number.

It is not a de Polignac number, because 406873245 - 2² = 406873241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406873241) 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 15 ways as a sum of consecutive naturals, for example, 201420 + ... + 203429.

It is an arithmetic number, because the mean of its divisors is an integer number (41294700).

Almost surely, 2^406873245 is an apocalyptic number.

It is an amenable number.

406873245 is a deficient number, since it is larger than the sum of its proper divisors (253841955).

406873245 is a wasteful number, since it uses less digits than its factorization.

406873245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404924.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 406873245 is about 20171.0992511563. The cubic root of 406873245 is about 741.0025642758.

The spelling of 406873245 in words is "four hundred six million, eight hundred seventy-three thousand, two hundred forty-five".