387836420 has 24 divisors (see below), whose sum is σ = 815494848. Its totient is φ = 154936800.

The previous prime is 387836413. The next prime is 387836429. The reversal of 387836420 is 24638783.

It is not an unprimeable number, because it can be changed into a prime (387836429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4265 + ... + 28175.

It is an arithmetic number, because the mean of its divisors is an integer number (33978952).

Almost surely, 2^387836420 is an apocalyptic number.

It is an amenable number.

387836420 is an abundant number, since it is smaller than the sum of its proper divisors (427658428).

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

387836420 is a wasteful number, since it uses less digits than its factorization.

387836420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24731 (or 24729 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 387836420 is about 19693.5629077117. The cubic root of 387836420 is about 729.2607892141.

The spelling of 387836420 in words is "three hundred eighty-seven million, eight hundred thirty-six thousand, four hundred twenty".