385270720 has 28 divisors (see below), whose sum is σ = 917426664. Its totient is φ = 154108160.

The previous prime is 385270687. The next prime is 385270729. The reversal of 385270720 is 27072583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385270729) 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, 601666 + ... + 602305.

It is an arithmetic number, because the mean of its divisors is an integer number (32765238).

Almost surely, 2^385270720 is an apocalyptic number.

It is an amenable number.

385270720 is an abundant number, since it is smaller than the sum of its proper divisors (532155944).

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

385270720 is a wasteful number, since it uses less digits than its factorization.

385270720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203988 (or 1203978 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 385270720 is about 19628.3142424407. The cubic root of 385270720 is about 727.6491083620.

The spelling of 385270720 in words is "three hundred eighty-five million, two hundred seventy thousand, seven hundred twenty".