387955776 has 224 divisors, whose sum is σ = 1204374528. Its totient is φ = 109117440.

The previous prime is 387955769. The next prime is 387955801. The reversal of 387955776 is 677559783.

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, 1739601 + ... + 1739823.

It is an arithmetic number, because the mean of its divisors is an integer number (5376672).

Almost surely, 2^387955776 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 387955776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602187264).

387955776 is an abundant number, since it is smaller than the sum of its proper divisors (816418752).

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

387955776 is a wasteful number, since it uses less digits than its factorization.

387955776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 57.

The square root of 387955776 is about 19696.5930048828. The cubic root of 387955776 is about 729.3355911313.

The spelling of 387955776 in words is "three hundred eighty-seven million, nine hundred fifty-five thousand, seven hundred seventy-six".