380638 has 8 divisors (see below), whose sum is σ = 578088. Its totient is φ = 187944.

The previous prime is 380629. The next prime is 380641. The reversal of 380638 is 836083.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (72261).

2³⁸⁰⁶³⁸ is an apocalyptic number.

380638 is a deficient number, since it is larger than the sum of its proper divisors (197450).

380638 is a wasteful number, since it uses less digits than its factorization.

380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 380638 is about 616.9586696044. The cubic root of 380638 is about 72.4720780310.

It can be divided in two parts, 3806 and 38, that added together give a square (3844 = 62²).

The spelling of 380638 in words is "three hundred eighty thousand, six hundred thirty-eight".