1648488 has 16 divisors (see below), whose sum is σ = 4121280. Its totient is φ = 549488.

The previous prime is 1648483. The next prime is 1648499. The reversal of 1648488 is 8848461.

It is a super-2 number, since 2×1648488² = 5435025372288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648481) 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, 34320 + ... + 34367.

It is an arithmetic number, because the mean of its divisors is an integer number (257580).

2^1648488 is an apocalyptic number.

It is an amenable number.

1648488 is an abundant number, since it is smaller than the sum of its proper divisors (2472792).

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

1648488 is a wasteful number, since it uses less digits than its factorization.

1648488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68696 (or 68692 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 1648488 is about 1283.9345777726. The cubic root of 1648488 is about 118.1304694984.

The spelling of 1648488 in words is "one million, six hundred forty-eight thousand, four hundred eighty-eight".