424072831 has 16 divisors (see below), whose sum is σ = 522514944. Its totient is φ = 335157984.

The previous prime is 424072819. The next prime is 424072849. The reversal of 424072831 is 138270424.

It is not a de Polignac number, because 424072831 - 2¹¹ = 424070783 is a prime.

It is a super-2 number, since 2×424072831² = 359675531984709122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424072793 and 424072802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424072801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103830 + ... + 107836.

It is an arithmetic number, because the mean of its divisors is an integer number (32657184).

Almost surely, 2^424072831 is an apocalyptic number.

424072831 is a deficient number, since it is larger than the sum of its proper divisors (98442113).

424072831 is a wasteful number, since it uses less digits than its factorization.

424072831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 424072831 is about 20593.0286990525. The cubic root of 424072831 is about 751.3001631689.

The spelling of 424072831 in words is "four hundred twenty-four million, seventy-two thousand, eight hundred thirty-one".