387146287 has 8 divisors (see below), whose sum is σ = 447185232. Its totient is φ = 331248000.

The previous prime is 387146273. The next prime is 387146293. The reversal of 387146287 is 782641783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387146287 - 2⁷ = 387146159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387146087) 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, 1034964 + ... + 1035337.

It is an arithmetic number, because the mean of its divisors is an integer number (55898154).

Almost surely, 2^387146287 is an apocalyptic number.

387146287 is a deficient number, since it is larger than the sum of its proper divisors (60038945).

387146287 is a wasteful number, since it uses less digits than its factorization.

387146287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070329.

The product of its digits is 451584, while the sum is 46.

The square root of 387146287 is about 19676.0333146699. The cubic root of 387146287 is about 728.8279729293.

The spelling of 387146287 in words is "three hundred eighty-seven million, one hundred forty-six thousand, two hundred eighty-seven".