387143288 has 16 divisors (see below), whose sum is σ = 829592880. Its totient is φ = 165918528.

The previous prime is 387143287. The next prime is 387143293. The reversal of 387143288 is 882341783.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387143287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456581 + ... + 3456692.

It is an arithmetic number, because the mean of its divisors is an integer number (51849555).

Almost surely, 2^387143288 is an apocalyptic number.

It is an amenable number.

387143288 is an abundant number, since it is smaller than the sum of its proper divisors (442449592).

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

387143288 is a wasteful number, since it uses less digits than its factorization.

387143288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913286 (or 6913282 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 387143288 is about 19675.9571050559. The cubic root of 387143288 is about 728.8260909871.

The spelling of 387143288 in words is "three hundred eighty-seven million, one hundred forty-three thousand, two hundred eighty-eight".