3981314 has 4 divisors (see below), whose sum is σ = 5971974. Its totient is φ = 1990656.

The previous prime is 3981301. The next prime is 3981331. The reversal of 3981314 is 4131893.

3981314 = 1151² + 1152² + 1153².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4131893 = 587 ⋅7039.

It can be written as a sum of positive squares in only one way, i.e., 3869089 + 112225 = 1967^2 + 335^2 .

It is a super-2 number, since 2×3981314² = 31701722333192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995327 + ... + 995330.

Almost surely, 2^3981314 is an apocalyptic number.

3981314 is a deficient number, since it is larger than the sum of its proper divisors (1990660).

3981314 is a wasteful number, since it uses less digits than its factorization.

3981314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990659.

The product of its digits is 2592, while the sum is 29.

The square root of 3981314 is about 1995.3230314914. The cubic root of 3981314 is about 158.4925344863.

The spelling of 3981314 in words is "three million, nine hundred eighty-one thousand, three hundred fourteen".