387162520 has 16 divisors (see below), whose sum is σ = 871115760. Its totient is φ = 154864992.

The previous prime is 387162491. The next prime is 387162527. The reversal of 387162520 is 25261783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387162527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839492 + ... + 4839571.

It is an arithmetic number, because the mean of its divisors is an integer number (54444735).

Almost surely, 2^387162520 is an apocalyptic number.

It is an amenable number.

387162520 is an abundant number, since it is smaller than the sum of its proper divisors (483953240).

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

387162520 is a wasteful number, since it uses less digits than its factorization.

387162520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679074 (or 9679070 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 387162520 is about 19676.4458172710. The cubic root of 387162520 is about 728.8381593450.

The spelling of 387162520 in words is "three hundred eighty-seven million, one hundred sixty-two thousand, five hundred twenty".