434042403 has 32 divisors (see below), whose sum is σ = 618700800. Its totient is φ = 269892000.

The previous prime is 434042381. The next prime is 434042437. The reversal of 434042403 is 304240434.

It is a happy number.

It is not a de Polignac number, because 434042403 - 2⁶ = 434042339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434043403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815958 + ... + 1816196.

It is an arithmetic number, because the mean of its divisors is an integer number (19334400).

Almost surely, 2^434042403 is an apocalyptic number.

434042403 is a deficient number, since it is larger than the sum of its proper divisors (184658397).

434042403 is a wasteful number, since it uses less digits than its factorization.

434042403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 434042403 is about 20833.6843357098. The cubic root of 434042403 is about 757.1420845048.

Adding to 434042403 its reverse (304240434), we get a palindrome (738282837).

The spelling of 434042403 in words is "four hundred thirty-four million, forty-two thousand, four hundred three".