2031494 has 4 divisors (see below), whose sum is σ = 3047244. Its totient is φ = 1015746.

The previous prime is 2031493. The next prime is 2031541. The reversal of 2031494 is 4941302.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507872 + ... + 507875.

It is an arithmetic number, because the mean of its divisors is an integer number (761811).

2^2031494 is an apocalyptic number.

2031494 is a deficient number, since it is larger than the sum of its proper divisors (1015750).

2031494 is a wasteful number, since it uses less digits than its factorization.

2031494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015749.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2031494 is about 1425.3048796661. The cubic root of 2031494 is about 126.6499962672.

Adding to 2031494 its reverse (4941302), we get a palindrome (6972796).

The spelling of 2031494 in words is "two million, thirty-one thousand, four hundred ninety-four".