1048845 has 24 divisors (see below), whose sum is σ = 1953504. Its totient is φ = 479136.

The previous prime is 1048837. The next prime is 1048847. The reversal of 1048845 is 5488401.

It is not a de Polignac number, because 1048845 - 2³ = 1048837 is a prime.

It is a super-2 number, since 2×1048845² = 2200151668050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

2^1048845 is an apocalyptic number.

1048845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1048845 is a deficient number, since it is larger than the sum of its proper divisors (904659).

1048845 is a wasteful number, since it uses less digits than its factorization.

1048845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1048845 is about 1024.1313392334. The cubic root of 1048845 is about 101.6023541418.

The spelling of 1048845 in words is "one million, forty-eight thousand, eight hundred forty-five".