385306652 has 12 divisors (see below), whose sum is σ = 675579576. Its totient is φ = 192283920.

The previous prime is 385306651. The next prime is 385306687. The reversal of 385306652 is 256603583.

It is a happy number.

It is a super-2 number, since 2×385306652² = 296922432150898208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385306651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89999 + ... + 94182.

It is an arithmetic number, because the mean of its divisors is an integer number (56298298).

Almost surely, 2^385306652 is an apocalyptic number.

It is an amenable number.

385306652 is a deficient number, since it is larger than the sum of its proper divisors (290272924).

385306652 is a wasteful number, since it uses less digits than its factorization.

385306652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184708 (or 184706 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 385306652 is about 19629.2295314921. The cubic root of 385306652 is about 727.6717288845.

The spelling of 385306652 in words is "three hundred eighty-five million, three hundred six thousand, six hundred fifty-two".