1721482 has 8 divisors (see below), whose sum is σ = 2951136. Its totient is φ = 737772.

The previous prime is 1721477. The next prime is 1721497. The reversal of 1721482 is 2841271.

It is a happy number.

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

It is a congruent number.

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, 61468 + ... + 61495.

It is an arithmetic number, because the mean of its divisors is an integer number (368892).

2^1721482 is an apocalyptic number.

1721482 is a deficient number, since it is larger than the sum of its proper divisors (1229654).

1721482 is a wasteful number, since it uses less digits than its factorization.

1721482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122972.

The product of its digits is 896, while the sum is 25.

The square root of 1721482 is about 1312.0525904094. The cubic root of 1721482 is about 119.8489302663.

The spelling of 1721482 in words is "one million, seven hundred twenty-one thousand, four hundred eighty-two".