387383480 has 128 divisors (see below), whose sum is σ = 1004659200. Its totient is φ = 133056000.

The previous prime is 387383473. The next prime is 387383501. The reversal of 387383480 is 84383783.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021931 + ... + 1022309.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2^387383480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387383480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502329600).

387383480 is an abundant number, since it is smaller than the sum of its proper divisors (617275720).

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

387383480 is a wasteful number, since it uses less digits than its factorization.

387383480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 387383480 is about 19682.0598515501. The cubic root of 387383480 is about 728.9767862732.

The spelling of 387383480 in words is "three hundred eighty-seven million, three hundred eighty-three thousand, four hundred eighty".