3917282 has 4 divisors (see below), whose sum is σ = 5875926. Its totient is φ = 1958640.

The previous prime is 3917281. The next prime is 3917297. The reversal of 3917282 is 2827193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2827193 = 199 ⋅14207.

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 841 = 1979^2 + 29^2 .

It is a super-3 number, since 3×3917282³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3917281) by changing a digit.

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, 979319 + ... + 979322.

Almost surely, 2^3917282 is an apocalyptic number.

3917282 is a deficient number, since it is larger than the sum of its proper divisors (1958644).

3917282 is a wasteful number, since it uses less digits than its factorization.

3917282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958643.

The product of its digits is 6048, while the sum is 32.

The square root of 3917282 is about 1979.2124696454. The cubic root of 3917282 is about 157.6382526727.

The spelling of 3917282 in words is "three million, nine hundred seventeen thousand, two hundred eighty-two".