403434401 has 4 divisors (see below), whose sum is σ = 406106304. Its totient is φ = 400762500.

The previous prime is 403434379. The next prime is 403434413. The reversal of 403434401 is 104434304.

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 403434401 - 2¹⁰ = 403433377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403434431) 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, 1335725 + ... + 1336026.

It is an arithmetic number, because the mean of its divisors is an integer number (101526576).

Almost surely, 2^403434401 is an apocalyptic number.

It is an amenable number.

403434401 is a deficient number, since it is larger than the sum of its proper divisors (2671903).

403434401 is a wasteful number, since it uses less digits than its factorization.

403434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671902.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 403434401 is about 20085.6765133764. The cubic root of 403434401 is about 738.9090333798.

Adding to 403434401 its reverse (104434304), we get a palindrome (507868705).

It can be divided in two parts, 40343 and 4401, that added together give a palindrome (44744).

The spelling of 403434401 in words is "four hundred three million, four hundred thirty-four thousand, four hundred one".