387266136 has 64 divisors (see below), whose sum is σ = 1003192320. Its totient is φ = 124450560.

The previous prime is 387266129. The next prime is 387266141. The reversal of 387266136 is 631662783.

Its product of digits (217728) is a multiple of the sum of its prime factors (2016).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232041 + ... + 233703.

It is an arithmetic number, because the mean of its divisors is an integer number (15674880).

Almost surely, 2^387266136 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 387266136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501596160).

387266136 is an abundant number, since it is smaller than the sum of its proper divisors (615926184).

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

387266136 is a wasteful number, since it uses less digits than its factorization.

387266136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 387266136 is about 19679.0786369688. The cubic root of 387266136 is about 728.9031730062.

The spelling of 387266136 in words is "three hundred eighty-seven million, two hundred sixty-six thousand, one hundred thirty-six".