387393516 has 42 divisors (see below), whose sum is σ = 1016450652. Its totient is φ = 129130200.

The previous prime is 387393511. The next prime is 387393529. The reversal of 387393516 is 615393783.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (387393511) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 63510 + ... + 69341.

It is an arithmetic number, because the mean of its divisors is an integer number (24201206).

Almost surely, 2^387393516 is an apocalyptic number.

387393516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

387393516 is an abundant number, since it is smaller than the sum of its proper divisors (629057136).

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

387393516 is a wasteful number, since it uses less digits than its factorization.

387393516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132873 (or 132856 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 387393516 is about 19682.3148028884. The cubic root of 387393516 is about 728.9830814546.

The spelling of 387393516 in words is "three hundred eighty-seven million, three hundred ninety-three thousand, five hundred sixteen".