3980318 has 4 divisors (see below), whose sum is σ = 5970480. Its totient is φ = 1990158.

The previous prime is 3980303. The next prime is 3980323. The reversal of 3980318 is 8130893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8130893 = 1297 ⋅6269.

It is a super-2 number, since 2×3980318² = 31685862762248, which contains 22 as substring.

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 995078 + ... + 995081.

It is an arithmetic number, because the mean of its divisors is an integer number (1492620).

Almost surely, 2^3980318 is an apocalyptic number.

3980318 is a deficient number, since it is larger than the sum of its proper divisors (1990162).

3980318 is a wasteful number, since it uses less digits than its factorization.

3980318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990161.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3980318 is about 1995.0734322325. The cubic root of 3980318 is about 158.4793167623.

The spelling of 3980318 in words is "three million, nine hundred eighty thousand, three hundred eighteen".