3682978 has 8 divisors (see below), whose sum is σ = 5949468. Its totient is φ = 1699824.

The previous prime is 3682961. The next prime is 3683011. The reversal of 3682978 is 8792863.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 23409 = 1913^2 + 153^2 .

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

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, 70801 + ... + 70852.

Almost surely, 2^3682978 is an apocalyptic number.

3682978 is a deficient number, since it is larger than the sum of its proper divisors (2266490).

3682978 is a wasteful number, since it uses less digits than its factorization.

3682978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141668.

The product of its digits is 145152, while the sum is 43.

The square root of 3682978 is about 1919.1086472631. The cubic root of 3682978 is about 154.4304871921.

The spelling of 3682978 in words is "three million, six hundred eighty-two thousand, nine hundred seventy-eight".