406331353 has 4 divisors (see below), whose sum is σ = 419438848. Its totient is φ = 393223860.

The previous prime is 406331329. The next prime is 406331371. The reversal of 406331353 is 353133604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406331353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406338353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6553701 + ... + 6553762.

It is an arithmetic number, because the mean of its divisors is an integer number (104859712).

Almost surely, 2^406331353 is an apocalyptic number.

It is an amenable number.

406331353 is a deficient number, since it is larger than the sum of its proper divisors (13107495).

406331353 is a wasteful number, since it uses less digits than its factorization.

406331353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107494.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 406331353 is about 20157.6623892752. The cubic root of 406331353 is about 740.6734513289.

Adding to 406331353 its reverse (353133604), we get a palindrome (759464957).

The spelling of 406331353 in words is "four hundred six million, three hundred thirty-one thousand, three hundred fifty-three".