3578978 has 8 divisors (see below), whose sum is σ = 5781468. Its totient is φ = 1651824.

The previous prime is 3578969. The next prime is 3578989. The reversal of 3578978 is 8798753.

3578978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 182329 = 1843^2 + 427^2 .

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

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, 68801 + ... + 68852.

Almost surely, 2^3578978 is an apocalyptic number.

3578978 is a deficient number, since it is larger than the sum of its proper divisors (2202490).

3578978 is a wasteful number, since it uses less digits than its factorization.

3578978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137668.

The product of its digits is 423360, while the sum is 47.

The square root of 3578978 is about 1891.8187016731. The cubic root of 3578978 is about 152.9629824866.

The spelling of 3578978 in words is "three million, five hundred seventy-eight thousand, nine hundred seventy-eight".