1728948 has 24 divisors (see below), whose sum is σ = 4344928. Its totient is φ = 531936.

The previous prime is 1728911. The next prime is 1728949. The reversal of 1728948 is 8498271.

It is a super-2 number, since 2×1728948² = 5978522373408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 5697.

2^1728948 is an apocalyptic number.

It is an amenable number.

1728948 is an abundant number, since it is smaller than the sum of its proper divisors (2615980).

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

1728948 is a wasteful number, since it uses less digits than its factorization.

1728948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11103 (or 11101 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1728948 is about 1314.8946725879. The cubic root of 1728948 is about 120.0219404327.

The spelling of 1728948 in words is "one million, seven hundred twenty-eight thousand, nine hundred forty-eight".