1019648 has 36 divisors (see below), whose sum is σ = 2330160. Its totient is φ = 436224.

The previous prime is 1019647. The next prime is 1019657. The reversal of 1019648 is 8469101.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1019648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019647) 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, 1508 + ... + 2076.

2^1019648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1019648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165080).

1019648 is an abundant number, since it is smaller than the sum of its proper divisors (1310512).

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

1019648 is an frugal number, since it uses more digits than its factorization.

1019648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1019648 is about 1009.7762128313. The cubic root of 1019648 is about 100.6506901730.

The spelling of 1019648 in words is "one million, nineteen thousand, six hundred forty-eight".