387411380 has 24 divisors (see below), whose sum is σ = 814153032. Its totient is φ = 154852352.

The previous prime is 387411373. The next prime is 387411383. The reversal of 387411380 is 83114783.

It can be written as a sum of positive squares in 4 ways, for example, as 14303524 + 373107856 = 3782^2 + 19316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 387411380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387411383) 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 7 ways as a sum of consecutive naturals, for example, 24824 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (33923043).

Almost surely, 2^387411380 is an apocalyptic number.

It is an amenable number.

387411380 is an abundant number, since it is smaller than the sum of its proper divisors (426741652).

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

387411380 is a wasteful number, since it uses less digits than its factorization.

387411380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035 (or 14033 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 387411380 is about 19682.7686060676. The cubic root of 387411380 is about 728.9942865584.

The spelling of 387411380 in words is "three hundred eighty-seven million, four hundred eleven thousand, three hundred eighty".