2040046 has 4 divisors (see below), whose sum is σ = 3060072. Its totient is φ = 1020022.

The previous prime is 2040041. The next prime is 2040047. The reversal of 2040046 is 6400402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6400402 = 2 ⋅3200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510010 + ... + 510013.

It is an arithmetic number, because the mean of its divisors is an integer number (765018).

2^2040046 is an apocalyptic number.

2040046 is a deficient number, since it is larger than the sum of its proper divisors (1020026).

2040046 is a wasteful number, since it uses less digits than its factorization.

2040046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020025.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2040046 is about 1428.3017888388. The cubic root of 2040046 is about 126.8274673717.

Adding to 2040046 its reverse (6400402), we get a palindrome (8440448).

The spelling of 2040046 in words is "two million, forty thousand, forty-six", and thus it is an eban number.