387841408 has 32 divisors (see below), whose sum is σ = 783255960. Its totient is φ = 191259648.

The previous prime is 387841369. The next prime is 387841409. The reversal of 387841408 is 804148783.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387841409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11410 + ... + 30097.

Almost surely, 2^387841408 is an apocalyptic number.

It is an amenable number.

387841408 is an abundant number, since it is smaller than the sum of its proper divisors (395414552).

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

387841408 is an equidigital number, since it uses as much as digits as its factorization.

387841408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41594 (or 41582 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 387841408 is about 19693.6895476698. The cubic root of 387841408 is about 729.2639155641.

The spelling of 387841408 in words is "three hundred eighty-seven million, eight hundred forty-one thousand, four hundred eight".