1048645 has 24 divisors (see below), whose sum is σ = 1462536. Its totient is φ = 718848.

The previous prime is 1048633. The next prime is 1048661. The reversal of 1048645 is 5468401.

It can be written as a sum of positive squares in 12 ways, for example, as 407044 + 641601 = 638^2 + 801^2 .

It is not a de Polignac number, because 1048645 - 2⁵ = 1048613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14329 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (60939).

2^1048645 is an apocalyptic number.

It is an amenable number.

1048645 is a deficient number, since it is larger than the sum of its proper divisors (413891).

1048645 is a wasteful number, since it uses less digits than its factorization.

1048645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1048645 is about 1024.0336908520. The cubic root of 1048645 is about 101.5958956843.

The spelling of 1048645 in words is "one million, forty-eight thousand, six hundred forty-five".