406368269 has 4 divisors (see below), whose sum is σ = 410313696. Its totient is φ = 402422844.

The previous prime is 406368253. The next prime is 406368283. The reversal of 406368269 is 962863604.

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 not a de Polignac number, because 406368269 - 2⁴ = 406368253 is a prime.

It is a super-2 number, since 2×406368269² = 330270340100112722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406368229) 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 3 ways as a sum of consecutive naturals, for example, 1972559 + ... + 1972764.

It is an arithmetic number, because the mean of its divisors is an integer number (102578424).

Almost surely, 2^406368269 is an apocalyptic number.

It is an amenable number.

406368269 is a deficient number, since it is larger than the sum of its proper divisors (3945427).

406368269 is a wasteful number, since it uses less digits than its factorization.

406368269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945426.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 406368269 is about 20158.5780500511. The cubic root of 406368269 is about 740.6958811947.

The spelling of 406368269 in words is "four hundred six million, three hundred sixty-eight thousand, two hundred sixty-nine".