3891302 has 4 divisors (see below), whose sum is σ = 5836956. Its totient is φ = 1945650.

The previous prime is 3891287. The next prime is 3891323. The reversal of 3891302 is 2031983.

3891302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972824 + ... + 972827.

It is an arithmetic number, because the mean of its divisors is an integer number (1459239).

Almost surely, 2^3891302 is an apocalyptic number.

3891302 is a deficient number, since it is larger than the sum of its proper divisors (1945654).

3891302 is a wasteful number, since it uses less digits than its factorization.

3891302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945653.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3891302 is about 1972.6383348196. The cubic root of 3891302 is about 157.2889859130.

The spelling of 3891302 in words is "three million, eight hundred ninety-one thousand, three hundred two".