434040403 has 8 divisors (see below), whose sum is σ = 441754560. Its totient is φ = 426338280.

The previous prime is 434040367. The next prime is 434040461. The reversal of 434040403 is 304040434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434040403 - 2¹⁷ = 433909331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434040463) 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, 100968 + ... + 105178.

It is an arithmetic number, because the mean of its divisors is an integer number (55219320).

Almost surely, 2^434040403 is an apocalyptic number.

434040403 is a deficient number, since it is larger than the sum of its proper divisors (7714157).

434040403 is a wasteful number, since it uses less digits than its factorization.

434040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 434040403 is about 20833.6363364632. The cubic root of 434040403 is about 757.1409215720.

Adding to 434040403 its reverse (304040434), we get a palindrome (738080837).

The spelling of 434040403 in words is "four hundred thirty-four million, forty thousand, four hundred three".