2031426 has 16 divisors (see below), whose sum is σ = 4514400. Its totient is φ = 677124.

The previous prime is 2031409. The next prime is 2031431. The reversal of 2031426 is 6241302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2031399 and 2031408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18756 + ... + 18863.

It is an arithmetic number, because the mean of its divisors is an integer number (282150).

2^2031426 is an apocalyptic number.

2031426 is an abundant number, since it is smaller than the sum of its proper divisors (2482974).

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

2031426 is a wasteful number, since it uses less digits than its factorization.

2031426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37630 (or 37624 counting only the distinct ones).

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

The square root of 2031426 is about 1425.2810249211. The cubic root of 2031426 is about 126.6485831371.

Adding to 2031426 its reverse (6241302), we get a palindrome (8272728).

The spelling of 2031426 in words is "two million, thirty-one thousand, four hundred twenty-six".