385837452 has 384 divisors, whose sum is σ = 1390878720. Its totient is φ = 89268480.

The previous prime is 385837433. The next prime is 385837453. The reversal of 385837452 is 254738583.

It is a junction number, because it is equal to n+sod(n) for n = 385837398 and 385837407.

It is not an unprimeable number, because it can be changed into a prime (385837453) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4648603 + ... + 4648685.

It is an arithmetic number, because the mean of its divisors is an integer number (3622080).

Almost surely, 2^385837452 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 385837452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695439360).

385837452 is an abundant number, since it is smaller than the sum of its proper divisors (1005041268).

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

385837452 is a wasteful number, since it uses less digits than its factorization.

385837452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 162 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 385837452 is about 19642.7455311115. The cubic root of 385837452 is about 728.0057233982.

The spelling of 385837452 in words is "three hundred eighty-five million, eight hundred thirty-seven thousand, four hundred fifty-two".