383661412 has 12 divisors (see below), whose sum is σ = 676695040. Its totient is φ = 190319976.

The previous prime is 383661407. The next prime is 383661431. The reversal of 383661412 is 214166383.

It is a happy 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, 377112 + ... + 378127.

Almost surely, 2^383661412 is an apocalyptic number.

It is an amenable number.

383661412 is a deficient number, since it is larger than the sum of its proper divisors (293033628).

383661412 is a wasteful number, since it uses less digits than its factorization.

383661412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755370 (or 755368 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 383661412 is about 19587.2767887729. The cubic root of 383661412 is about 726.6345440261.

The spelling of 383661412 in words is "three hundred eighty-three million, six hundred sixty-one thousand, four hundred twelve".