3889492974 has 24 divisors (see below), whose sum is σ = 8428410432. Its totient is φ = 1296316800.

The previous prime is 3889492967. The next prime is 3889492979. The reversal of 3889492974 is 4792949883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889492979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202174 + ... + 220574.

It is an arithmetic number, because the mean of its divisors is an integer number (351183768).

Almost surely, 2^3889492974 is an apocalyptic number.

3889492974 is an abundant number, since it is smaller than the sum of its proper divisors (4538917458).

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

3889492974 is a wasteful number, since it uses less digits than its factorization.

3889492974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30152 (or 30149 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 3889492974 is about 62365.7997142665. The cubic root of 3889492974 is about 1572.6460812810.

The spelling of 3889492974 in words is "three billion, eight hundred eighty-nine million, four hundred ninety-two thousand, nine hundred seventy-four".