1968458 has 8 divisors (see below), whose sum is σ = 2959140. Its totient is φ = 982080.

The previous prime is 1968427. The next prime is 1968467. The reversal of 1968458 is 8548691.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 49 = 1403^2 + 7^2 .

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

It is a Curzon 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, 578 + ... + 2066.

2^1968458 is an apocalyptic number.

1968458 is a deficient number, since it is larger than the sum of its proper divisors (990682).

1968458 is a wasteful number, since it uses less digits than its factorization.

1968458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its digits is 69120, while the sum is 41.

The square root of 1968458 is about 1403.0174624715. The cubic root of 1968458 is about 125.3262517376.

The spelling of 1968458 in words is "one million, nine hundred sixty-eight thousand, four hundred fifty-eight".