380509634 has 8 divisors (see below), whose sum is σ = 570984780. Its totient is φ = 190181376.

The previous prime is 380509607. The next prime is 380509639. The reversal of 380509634 is 436905083.

It can be written as a sum of positive squares in 2 ways, for example, as 309865609 + 70644025 = 17603^2 + 8405^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380509639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29999 + ... + 40754.

Almost surely, 2^380509634 is an apocalyptic number.

380509634 is a deficient number, since it is larger than the sum of its proper divisors (190475146).

380509634 is a wasteful number, since it uses less digits than its factorization.

380509634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73444.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 380509634 is about 19506.6561460441. The cubic root of 380509634 is about 724.6393030992.

The spelling of 380509634 in words is "three hundred eighty million, five hundred nine thousand, six hundred thirty-four".