387774252 has 36 divisors (see below), whose sum is σ = 1001066976. Its totient is φ = 126507360.

The previous prime is 387774251. The next prime is 387774293. The reversal of 387774252 is 252477783.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 387774198 and 387774207.

It is not an unprimeable number, because it can be changed into a prime (387774251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112899 + ... + 116282.

It is an arithmetic number, because the mean of its divisors is an integer number (27807416).

Almost surely, 2^387774252 is an apocalyptic number.

It is an amenable number.

387774252 is an abundant number, since it is smaller than the sum of its proper divisors (613292724).

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

387774252 is a wasteful number, since it uses less digits than its factorization.

387774252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229238 (or 229233 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 387774252 is about 19691.9844606886. The cubic root of 387774252 is about 729.2218216623.

The spelling of 387774252 in words is "three hundred eighty-seven million, seven hundred seventy-four thousand, two hundred fifty-two".