2042746 has 4 divisors (see below), whose sum is σ = 3064122. Its totient is φ = 1021372.

The previous prime is 2042717. The next prime is 2042749. The reversal of 2042746 is 6472402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6472402 = 2 ⋅3236201.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 96721 = 1395^2 + 311^2 .

It is a super-2 number, since 2×2042746² = 8345622441032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2042746.

It is not an unprimeable number, because it can be changed into a prime (2042749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510685 + ... + 510688.

2^2042746 is an apocalyptic number.

2042746 is a deficient number, since it is larger than the sum of its proper divisors (1021376).

2042746 is a wasteful number, since it uses less digits than its factorization.

2042746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021375.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2042746 is about 1429.2466547101. The cubic root of 2042746 is about 126.8833947385.

The spelling of 2042746 in words is "two million, forty-two thousand, seven hundred forty-six".