385015260 has 48 divisors (see below), whose sum is σ = 1232050176. Its totient is φ = 88003392.

The previous prime is 385015247. The next prime is 385015261. The reversal of 385015260 is 62510583.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385015261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457932 + ... + 458771.

It is an arithmetic number, because the mean of its divisors is an integer number (25667712).

Almost surely, 2^385015260 is an apocalyptic number.

385015260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385015260 is an abundant number, since it is smaller than the sum of its proper divisors (847034916).

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

385015260 is a wasteful number, since it uses less digits than its factorization.

385015260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916722 (or 916720 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 385015260 is about 19621.8057273025. The cubic root of 385015260 is about 727.4882462881.

It can be divided in two parts, 3850 and 15260, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 385015260 in words is "three hundred eighty-five million, fifteen thousand, two hundred sixty".