380535638 has 32 divisors (see below), whose sum is σ = 669233664. Its totient is φ = 158884992.

The previous prime is 380535611. The next prime is 380535643. The reversal of 380535638 is 836535083.

It is a junction number, because it is equal to n+sod(n) for n = 380535595 and 380535604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389006 + ... + 389982.

It is an arithmetic number, because the mean of its divisors is an integer number (20913552).

Almost surely, 2^380535638 is an apocalyptic number.

380535638 is a deficient number, since it is larger than the sum of its proper divisors (288698026).

380535638 is a wasteful number, since it uses less digits than its factorization.

380535638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 380535638 is about 19507.3226763695. The cubic root of 380535638 is about 724.6558099885.

The spelling of 380535638 in words is "three hundred eighty million, five hundred thirty-five thousand, six hundred thirty-eight".