385771452 has 48 divisors (see below), whose sum is σ = 983136000. Its totient is φ = 116760960.

The previous prime is 385771363. The next prime is 385771483. The reversal of 385771452 is 254177583.

It is a super-2 number, since 2×385771452² = 297639226356376608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183624 + ... + 185712.

It is an arithmetic number, because the mean of its divisors is an integer number (20482000).

Almost surely, 2^385771452 is an apocalyptic number.

It is an amenable number.

385771452 is an abundant number, since it is smaller than the sum of its proper divisors (597364548).

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

385771452 is a wasteful number, since it uses less digits than its factorization.

385771452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3504 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 385771452 is about 19641.0654497153. The cubic root of 385771452 is about 727.9642109967.

The spelling of 385771452 in words is "three hundred eighty-five million, seven hundred seventy-one thousand, four hundred fifty-two".