381647606 has 8 divisors (see below), whose sum is σ = 573229920. Its totient is φ = 190570968.

The previous prime is 381647593. The next prime is 381647641. The reversal of 381647606 is 606746183.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 124526 + ... + 127553.

It is an arithmetic number, because the mean of its divisors is an integer number (71653740).

Almost surely, 2^381647606 is an apocalyptic number.

381647606 is a deficient number, since it is larger than the sum of its proper divisors (191582314).

381647606 is a wasteful number, since it uses less digits than its factorization.

381647606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252838.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 381647606 is about 19535.8031828743. The cubic root of 381647606 is about 725.3609655546.

The spelling of 381647606 in words is "three hundred eighty-one million, six hundred forty-seven thousand, six hundred six".