1432431 has 64 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 673920.

The previous prime is 1432427. The next prime is 1432439. The reversal of 1432431 is 1342341.

It is not a de Polignac number, because 1432431 - 2² = 1432427 is a prime.

It is a super-2 number, since 2×1432431² = 4103717139522, which contains 22 as substring.

1432431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27001 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2^1432431 is an apocalyptic number.

1432431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1432431 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1432431 is a wasteful number, since it uses less digits than its factorization.

1432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 87 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1432431 is about 1196.8420948479. The cubic root of 1432431 is about 112.7261229702.

Adding to 1432431 its reverse (1342341), we get a palindrome (2774772).

The spelling of 1432431 in words is "one million, four hundred thirty-two thousand, four hundred thirty-one".