387002055 has 32 divisors (see below), whose sum is σ = 693762048. Its totient is φ = 182563200.

The previous prime is 387002053. The next prime is 387002069. The reversal of 387002055 is 550200783.

It is a happy number.

It is not a de Polignac number, because 387002055 - 2¹ = 387002053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387002053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25591 + ... + 37800.

It is an arithmetic number, because the mean of its divisors is an integer number (21680064).

Almost surely, 2^387002055 is an apocalyptic number.

387002055 is a deficient number, since it is larger than the sum of its proper divisors (306759993).

387002055 is a wasteful number, since it uses less digits than its factorization.

387002055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63447.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 387002055 is about 19672.3678035970. The cubic root of 387002055 is about 728.7374529917.

It can be divided in two parts, 38700 and 2055, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 387002055 in words is "three hundred eighty-seven million, two thousand, fifty-five".