1722048 has 28 divisors (see below), whose sum is σ = 4556760. Its totient is φ = 573952.

The previous prime is 1722037. The next prime is 1722053. The reversal of 1722048 is 8402271.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293 + ... + 4676.

2^1722048 is an apocalyptic number.

It is an amenable number.

1722048 is an abundant number, since it is smaller than the sum of its proper divisors (2834712).

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

1722048 is an equidigital number, since it uses as much as digits as its factorization.

1722048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984 (or 8974 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1722048 is about 1312.2682652568. The cubic root of 1722048 is about 119.8620637295.

The spelling of 1722048 in words is "one million, seven hundred twenty-two thousand, forty-eight".