387671028 has 12 divisors (see below), whose sum is σ = 904565760. Its totient is φ = 129223672.

The previous prime is 387671017. The next prime is 387671047. The reversal of 387671028 is 820176783.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16152948 + ... + 16152971.

It is an arithmetic number, because the mean of its divisors is an integer number (75380480).

Almost surely, 2^387671028 is an apocalyptic number.

It is an amenable number.

387671028 is an abundant number, since it is smaller than the sum of its proper divisors (516894732).

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

387671028 is a wasteful number, since it uses less digits than its factorization.

387671028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32305926 (or 32305924 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 387671028 is about 19689.3633213469. The cubic root of 387671028 is about 729.1571105810.

The spelling of 387671028 in words is "three hundred eighty-seven million, six hundred seventy-one thousand, twenty-eight".