387214720 has 32 divisors (see below), whose sum is σ = 925686720. Its totient is φ = 154885632.

The previous prime is 387214697. The next prime is 387214721. The reversal of 387214720 is 27412783.

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 (387214721) 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, 301872 + ... + 303151.

It is an arithmetic number, because the mean of its divisors is an integer number (28927710).

Almost surely, 2^387214720 is an apocalyptic number.

It is an amenable number.

387214720 is an abundant number, since it is smaller than the sum of its proper divisors (538472000).

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

387214720 is an equidigital number, since it uses as much as digits as its factorization.

387214720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605042 (or 605030 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 387214720 is about 19677.7722316323. The cubic root of 387214720 is about 728.8709135850.

The spelling of 387214720 in words is "three hundred eighty-seven million, two hundred fourteen thousand, seven hundred twenty".