380612305 has 8 divisors (see below), whose sum is σ = 459801000. Its totient is φ = 302445696.

The previous prime is 380612299. The next prime is 380612317. The reversal of 380612305 is 503216083.

It can be written as a sum of positive squares in 4 ways, for example, as 986049 + 379626256 = 993^2 + 19484^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 380612305 - 2⁵ = 380612273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254700 + ... + 256189.

It is an arithmetic number, because the mean of its divisors is an integer number (57475125).

Almost surely, 2^380612305 is an apocalyptic number.

It is an amenable number.

380612305 is a deficient number, since it is larger than the sum of its proper divisors (79188695).

380612305 is a wasteful number, since it uses less digits than its factorization.

380612305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511043.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 380612305 is about 19509.2876599839. The cubic root of 380612305 is about 724.7044724971.

Adding to 380612305 its reverse (503216083), we get a palindrome (883828388).

The spelling of 380612305 in words is "three hundred eighty million, six hundred twelve thousand, three hundred five".