385911960 has 128 divisors (see below), whose sum is σ = 1343070720. Its totient is φ = 86879232.

The previous prime is 385911959. The next prime is 385911991. The reversal of 385911960 is 69119583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52852 + ... + 59708.

It is an arithmetic number, because the mean of its divisors is an integer number (10492740).

Almost surely, 2^385911960 is an apocalyptic number.

385911960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385911960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671535360).

385911960 is an abundant number, since it is smaller than the sum of its proper divisors (957158760).

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

385911960 is a wasteful number, since it uses less digits than its factorization.

385911960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945 (or 6941 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 385911960 is about 19644.6420176088. The cubic root of 385911960 is about 728.0525814374.

The spelling of 385911960 in words is "three hundred eighty-five million, nine hundred eleven thousand, nine hundred sixty".