3891102 has 16 divisors (see below), whose sum is σ = 7827840. Its totient is φ = 1289432.

The previous prime is 3891077. The next prime is 3891103. The reversal of 3891102 is 2011983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (489240).

Almost surely, 2^3891102 is an apocalyptic number.

3891102 is an abundant number, since it is smaller than the sum of its proper divisors (3936738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3891102 is a wasteful number, since it uses less digits than its factorization.

3891102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 3891102 is about 1972.5876406386. The cubic root of 3891102 is about 157.2862911563.

It can be divided in two parts, 3891 and 102, that added together give a palindrome (3993).

The spelling of 3891102 in words is "three million, eight hundred ninety-one thousand, one hundred two".