406343265 has 64 divisors (see below), whose sum is σ = 708383232. Its totient is φ = 198144000.

The previous prime is 406343263. The next prime is 406343269. The reversal of 406343265 is 562343604.

406343265 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 406343265 - 2¹ = 406343263 is a prime.

It is a super-2 number, since 2×406343265² = 330229698021720450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406343261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2348719 + ... + 2348891.

It is an arithmetic number, because the mean of its divisors is an integer number (11068488).

Almost surely, 2^406343265 is an apocalyptic number.

It is an amenable number.

406343265 is a deficient number, since it is larger than the sum of its proper divisors (302039967).

406343265 is a wasteful number, since it uses less digits than its factorization.

406343265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 406343265 is about 20157.9578578784. The cubic root of 406343265 is about 740.6806891131.

Adding to 406343265 its reverse (562343604), we get a palindrome (968686869).

The spelling of 406343265 in words is "four hundred six million, three hundred forty-three thousand, two hundred sixty-five".