1048638 has 8 divisors (see below), whose sum is σ = 2097288. Its totient is φ = 349544.

The previous prime is 1048633. The next prime is 1048661. The reversal of 1048638 is 8368401.

It is a happy number.

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

1048638 is an admirable number.

It is a d-powerful number, because it can be written as 1 + 0 + 4¹⁰ + 8 + 6² + 3² + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87381 + ... + 87392.

It is an arithmetic number, because the mean of its divisors is an integer number (262161).

2^1048638 is an apocalyptic number.

1048638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1048638 is a wasteful number, since it uses less digits than its factorization.

1048638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174778.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1048638 is about 1024.0302729900. The cubic root of 1048638 is about 101.5956696234.

The spelling of 1048638 in words is "one million, forty-eight thousand, six hundred thirty-eight".