3982807 has 4 divisors (see below), whose sum is σ = 4037440. Its totient is φ = 3928176.

The previous prime is 3982801. The next prime is 3982813. The reversal of 3982807 is 7082893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7082893 = 61 ⋅116113.

It is an interprime number because it is at equal distance from previous prime (3982801) and next prime (3982813).

It is a cyclic number.

It is not a de Polignac number, because 3982807 - 2⁷ = 3982679 is a prime.

It is a Duffinian number.

3982807 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27207 + ... + 27352.

It is an arithmetic number, because the mean of its divisors is an integer number (1009360).

Almost surely, 2^3982807 is an apocalyptic number.

3982807 is a deficient number, since it is larger than the sum of its proper divisors (54633).

3982807 is an equidigital number, since it uses as much as digits as its factorization.

3982807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54632.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3982807 is about 1995.6971213087. The cubic root of 3982807 is about 158.5123436734.

The spelling of 3982807 in words is "three million, nine hundred eighty-two thousand, eight hundred seven".