385274120 has 128 divisors (see below), whose sum is σ = 1097487360. Its totient is φ = 118229760.

The previous prime is 385274117. The next prime is 385274129. The reversal of 385274120 is 21472583.

It is a super-2 number, since 2×385274120² = 296872295083548800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385274129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205427 + ... + 207293.

It is an arithmetic number, because the mean of its divisors is an integer number (8574120).

Almost surely, 2^385274120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385274120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548743680).

385274120 is an abundant number, since it is smaller than the sum of its proper divisors (712213240).

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

385274120 is a wasteful number, since it uses less digits than its factorization.

385274120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 385274120 is about 19628.4008518269. The cubic root of 385274120 is about 727.6512488479.

The spelling of 385274120 in words is "three hundred eighty-five million, two hundred seventy-four thousand, one hundred twenty".