389466252 has 192 divisors, whose sum is σ = 1201213440. Its totient is φ = 106831872.

The previous prime is 389466247. The next prime is 389466263. The reversal of 389466252 is 252664983.

It is a super-2 number, since 2×389466252² = 303367922893855008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389466198 and 389466207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3446548 + ... + 3446660.

It is an arithmetic number, because the mean of its divisors is an integer number (6256320).

Almost surely, 2^389466252 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 389466252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600606720).

389466252 is an abundant number, since it is smaller than the sum of its proper divisors (811747188).

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

389466252 is a wasteful number, since it uses less digits than its factorization.

389466252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 389466252 is about 19734.8993410151. The cubic root of 389466252 is about 730.2809027166.

The spelling of 389466252 in words is "three hundred eighty-nine million, four hundred sixty-six thousand, two hundred fifty-two".