424031432 has 24 divisors (see below), whose sum is σ = 873909750. Its totient is φ = 192741120.

The previous prime is 424031353. The next prime is 424031437. The reversal of 424031432 is 234130424.

It can be written as a sum of positive squares in only one way, i.e., 262893796 + 161137636 = 16214^2 + 12694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424031398 and 424031407.

It is not an unprimeable number, because it can be changed into a prime (424031437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218057 + ... + 219992.

Almost surely, 2^424031432 is an apocalyptic number.

It is an amenable number.

424031432 is an abundant number, since it is smaller than the sum of its proper divisors (449878318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424031432 is a wasteful number, since it uses less digits than its factorization.

424031432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438077 (or 438062 counting only the distinct ones).

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

The square root of 424031432 is about 20592.0235042601. The cubic root of 424031432 is about 751.2757144694.

Adding to 424031432 its reverse (234130424), we get a palindrome (658161856).

The spelling of 424031432 in words is "four hundred twenty-four million, thirty-one thousand, four hundred thirty-two".