3662978 has 16 divisors (see below), whose sum is σ = 6035904. Its totient is φ = 1653360.

The previous prime is 3662977. The next prime is 3662983. The reversal of 3662978 is 8792663.

3662978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3662977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3176 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (377244).

Almost surely, 2^3662978 is an apocalyptic number.

3662978 is a deficient number, since it is larger than the sum of its proper divisors (2372926).

3662978 is a wasteful number, since it uses less digits than its factorization.

3662978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 108864, while the sum is 41.

The square root of 3662978 is about 1913.8908014827. The cubic root of 3662978 is about 154.1504404966.

The spelling of 3662978 in words is "three million, six hundred sixty-two thousand, nine hundred seventy-eight".