3943802 has 4 divisors (see below), whose sum is σ = 5915706. Its totient is φ = 1971900.

The previous prime is 3943799. The next prime is 3943829. The reversal of 3943802 is 2083493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2083493 = 73 ⋅28541.

It can be written as a sum of positive squares in only one way, i.e., 3024121 + 919681 = 1739^2 + 959^2 .

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, 985949 + ... + 985952.

Almost surely, 2^3943802 is an apocalyptic number.

3943802 is a deficient number, since it is larger than the sum of its proper divisors (1971904).

3943802 is a wasteful number, since it uses less digits than its factorization.

3943802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971903.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3943802 is about 1985.9008031621. The cubic root of 3943802 is about 157.9931899004.

The spelling of 3943802 in words is "three million, nine hundred forty-three thousand, eight hundred two".