1042838 has 8 divisors (see below), whose sum is σ = 1571832. Its totient is φ = 518896.

The previous prime is 1042837. The next prime is 1042849. The reversal of 1042838 is 8382401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1042838² = 2175022188488, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (196479).

2^1042838 is an apocalyptic number.

1042838 is a deficient number, since it is larger than the sum of its proper divisors (528994).

1042838 is a wasteful number, since it uses less digits than its factorization.

1042838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1042838 is about 1021.1943987312. The cubic root of 1042838 is about 101.4080152181.

The spelling of 1042838 in words is "one million, forty-two thousand, eight hundred thirty-eight".