2042817 has 16 divisors (see below), whose sum is σ = 3150720. Its totient is φ = 1153152.

The previous prime is 2042813. The next prime is 2042819. The reversal of 2042817 is 7182402.

It is not a de Polignac number, because 2042817 - 2² = 2042813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (196920).

2^2042817 is an apocalyptic number.

It is an amenable number.

2042817 is a deficient number, since it is larger than the sum of its proper divisors (1107903).

2042817 is a wasteful number, since it uses less digits than its factorization.

2042817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2042817 is about 1429.2714927543. The cubic root of 2042817 is about 126.8848647559.

The spelling of 2042817 in words is "two million, forty-two thousand, eight hundred seventeen".