1968478 has 8 divisors (see below), whose sum is σ = 3081168. Its totient is φ = 941424.

The previous prime is 1968467. The next prime is 1968487. The reversal of 1968478 is 8748691.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21351 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (385146).

2^1968478 is an apocalyptic number.

1968478 is a deficient number, since it is larger than the sum of its proper divisors (1112690).

1968478 is a wasteful number, since it uses less digits than its factorization.

1968478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818.

The product of its digits is 96768, while the sum is 43.

The square root of 1968478 is about 1403.0245899484. The cubic root of 1968478 is about 125.3266761843.

The spelling of 1968478 in words is "one million, nine hundred sixty-eight thousand, four hundred seventy-eight".