401434969 has 4 divisors (see below), whose sum is σ = 432314596. Its totient is φ = 370555344.

The previous prime is 401434967. The next prime is 401434973. The reversal of 401434969 is 969434104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125708944 + 275726025 = 11212^2 + 16605^2 .

It is a cyclic number.

It is not a de Polignac number, because 401434969 - 2¹ = 401434967 is a prime.

It is a super-2 number, since 2×401434969² = 322300068672061922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401434963) 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, 15439794 + ... + 15439819.

It is an arithmetic number, because the mean of its divisors is an integer number (108078649).

Almost surely, 2^401434969 is an apocalyptic number.

It is an amenable number.

401434969 is a deficient number, since it is larger than the sum of its proper divisors (30879627).

401434969 is a wasteful number, since it uses less digits than its factorization.

401434969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30879626.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 401434969 is about 20035.8421085813. The cubic root of 401434969 is about 737.6863267219.

It can be divided in two parts, 4014 and 34969, that added together give a palindrome (38983).

The spelling of 401434969 in words is "four hundred one million, four hundred thirty-four thousand, nine hundred sixty-nine".