3891442302 has 24 divisors (see below), whose sum is σ = 9197955000. Its totient is φ = 1179224880.

The previous prime is 3891442297. The next prime is 3891442327. The reversal of 3891442302 is 2032441983.

3891442302 is a `hidden beast` number, since 389 + 1 + 44 + 230 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9826677 + ... + 9827072.

It is an arithmetic number, because the mean of its divisors is an integer number (383248125).

Almost surely, 2^3891442302 is an apocalyptic number.

3891442302 is an abundant number, since it is smaller than the sum of its proper divisors (5306512698).

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

3891442302 is a wasteful number, since it uses less digits than its factorization.

3891442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19653768 (or 19653765 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 3891442302 is about 62381.4259375337. The cubic root of 3891442302 is about 1572.9087625667.

The spelling of 3891442302 in words is "three billion, eight hundred ninety-one million, four hundred forty-two thousand, three hundred two".