400314269 has 8 divisors (see below), whose sum is σ = 407196408. Its totient is φ = 393442560.

The previous prime is 400314263. The next prime is 400314319. The reversal of 400314269 is 962413004.

It can be written as a sum of positive squares in 4 ways, for example, as 10725625 + 389588644 = 3275^2 + 19738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400314269 is a prime.

It is a super-2 number, since 2×400314269² = 320503027930008722, 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 (400314263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138689 + ... + 141545.

It is an arithmetic number, because the mean of its divisors is an integer number (50899551).

Almost surely, 2^400314269 is an apocalyptic number.

It is an amenable number.

400314269 is a deficient number, since it is larger than the sum of its proper divisors (6882139).

400314269 is a wasteful number, since it uses less digits than its factorization.

400314269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 400314269 is about 20007.8551824027. The cubic root of 400314269 is about 736.9992120308. Note that the first 3 decimals are identical.

The spelling of 400314269 in words is "four hundred million, three hundred fourteen thousand, two hundred sixty-nine".