3618938 has 16 divisors (see below), whose sum is σ = 5581440. Its totient is φ = 1759296.

The previous prime is 3618929. The next prime is 3618959. The reversal of 3618938 is 8398163.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15023 + ... + 15261.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

Almost surely, 2^3618938 is an apocalyptic number.

3618938 is a deficient number, since it is larger than the sum of its proper divisors (1962502).

3618938 is a wasteful number, since it uses less digits than its factorization.

3618938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 31104, while the sum is 38.

The square root of 3618938 is about 1902.3506511682. The cubic root of 3618938 is about 153.5301641535.

The spelling of 3618938 in words is "three million, six hundred eighteen thousand, nine hundred thirty-eight".