1816042 has 16 divisors (see below), whose sum is σ = 2979072. Its totient is φ = 826560.

The previous prime is 1816027. The next prime is 1816051. The reversal of 1816042 is 2406181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (186192).

2^1816042 is an apocalyptic number.

1816042 is a deficient number, since it is larger than the sum of its proper divisors (1163030).

1816042 is a wasteful number, since it uses less digits than its factorization.

1816042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1816042 is about 1347.6060255134. The cubic root of 1816042 is about 122.0043445555.

The spelling of 1816042 in words is "one million, eight hundred sixteen thousand, forty-two".