424034431 has 4 divisors (see below), whose sum is σ = 425071600. Its totient is φ = 422997264.

The previous prime is 424034389. The next prime is 424034437. The reversal of 424034431 is 134430424.

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

It is a cyclic number.

It is not a de Polignac number, because 424034431 - 2⁹ = 424033919 is a prime.

It is a super-2 number, since 2×424034431² = 359610397346987522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424034396 and 424034405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424034437) 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, 517971 + ... + 518788.

It is an arithmetic number, because the mean of its divisors is an integer number (106267900).

Almost surely, 2^424034431 is an apocalyptic number.

424034431 is a deficient number, since it is larger than the sum of its proper divisors (1037169).

424034431 is a wasteful number, since it uses less digits than its factorization.

424034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037168.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 424034431 is about 20592.0963235898. The cubic root of 424034431 is about 751.2774856200.

Adding to 424034431 its reverse (134430424), we get a palindrome (558464855).

The spelling of 424034431 in words is "four hundred twenty-four million, thirty-four thousand, four hundred thirty-one".