2042069 has 4 divisors (see below), whose sum is σ = 2046720. Its totient is φ = 2037420.

The previous prime is 2042059. The next prime is 2042077. The reversal of 2042069 is 9602402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9602402 = 2 ⋅4801201.

It is a cyclic number.

It is not a de Polignac number, because 2042069 - 2²⁰ = 993493 is a prime.

It is a super-2 number, since 2×2042069² = 8340091601522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (511680).

2^2042069 is an apocalyptic number.

It is an amenable number.

2042069 is a deficient number, since it is larger than the sum of its proper divisors (4651).

2042069 is an equidigital number, since it uses as much as digits as its factorization.

2042069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650.

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

The square root of 2042069 is about 1429.0097970273. The cubic root of 2042069 is about 126.8693761005.

The spelling of 2042069 in words is "two million, forty-two thousand, sixty-nine".