387271772 has 24 divisors (see below), whose sum is σ = 688891392. Its totient is φ = 190458800.

The previous prime is 387271751. The next prime is 387271783. The reversal of 387271772 is 277172783.

387271772 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141497 + ... + 144207.

It is an arithmetic number, because the mean of its divisors is an integer number (28703808).

Almost surely, 2^387271772 is an apocalyptic number.

It is an amenable number.

387271772 is a deficient number, since it is larger than the sum of its proper divisors (301619620).

387271772 is a wasteful number, since it uses less digits than its factorization.

387271772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3287 counting only the distinct ones).

The product of its digits is 230496, while the sum is 44.

The square root of 387271772 is about 19679.2218342088. The cubic root of 387271772 is about 728.9067089711.

The spelling of 387271772 in words is "three hundred eighty-seven million, two hundred seventy-one thousand, seven hundred seventy-two".