1431726 has 24 divisors (see below), whose sum is σ = 3026664. Its totient is φ = 451440.

The previous prime is 1431721. The next prime is 1431733. The reversal of 1431726 is 6271341.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1431696 and 1431705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (126111).

2^1431726 is an apocalyptic number.

1431726 is an abundant number, since it is smaller than the sum of its proper divisors (1594938).

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

1431726 is a wasteful number, since it uses less digits than its factorization.

1431726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 685 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 1431726 is about 1196.5475335314. The cubic root of 1431726 is about 112.7076264520.

The spelling of 1431726 in words is "one million, four hundred thirty-one thousand, seven hundred twenty-six".