381608212 has 12 divisors (see below), whose sum is σ = 668396736. Its totient is φ = 190637720.

The previous prime is 381608191. The next prime is 381608239. The reversal of 381608212 is 212806183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36364 + ... + 45667.

It is an arithmetic number, because the mean of its divisors is an integer number (55699728).

Almost surely, 2^381608212 is an apocalyptic number.

It is an amenable number.

381608212 is a deficient number, since it is larger than the sum of its proper divisors (286788524).

381608212 is a wasteful number, since it uses less digits than its factorization.

381608212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83198 (or 83196 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 381608212 is about 19534.7949055013. The cubic root of 381608212 is about 725.3360072312.

The spelling of 381608212 in words is "three hundred eighty-one million, six hundred eight thousand, two hundred twelve".