1045838 has 4 divisors (see below), whose sum is σ = 1568760. Its totient is φ = 522918.

The previous prime is 1045829. The next prime is 1045841. The reversal of 1045838 is 8385401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8385401 = 599 ⋅13999.

It is a self number, because there is not a number n which added to its sum of digits gives 1045838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261458 + ... + 261461.

It is an arithmetic number, because the mean of its divisors is an integer number (392190).

2^1045838 is an apocalyptic number.

1045838 is a deficient number, since it is larger than the sum of its proper divisors (522922).

1045838 is an equidigital number, since it uses as much as digits as its factorization.

1045838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522921.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1045838 is about 1022.6622120720. The cubic root of 1045838 is about 101.5051644666.

The spelling of 1045838 in words is "one million, forty-five thousand, eight hundred thirty-eight".