2042646 has 16 divisors (see below), whose sum is σ = 4153008. Its totient is φ = 669600.

The previous prime is 2042627. The next prime is 2042647. The reversal of 2042646 is 6462402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (259563).

2^2042646 is an apocalyptic number.

2042646 is an abundant number, since it is smaller than the sum of its proper divisors (2110362).

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

2042646 is a wasteful number, since it uses less digits than its factorization.

2042646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2042646 is about 1429.2116708172. The cubic root of 2042646 is about 126.8813242336.

It can be divided in two parts, 204 and 2646, that added together give a triangular number (2850 = T₇₅).

The spelling of 2042646 in words is "two million, forty-two thousand, six hundred forty-six".