380357305 has 8 divisors (see below), whose sum is σ = 457177032. Its totient is φ = 303787008.

The previous prime is 380357297. The next prime is 380357339. The reversal of 380357305 is 503753083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18558864 + 361798441 = 4308^2 + 19021^2 .

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 380357305 - 2³ = 380357297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58984 + ... + 65113.

It is an arithmetic number, because the mean of its divisors is an integer number (57147129).

Almost surely, 2^380357305 is an apocalyptic number.

It is an amenable number.

380357305 is a deficient number, since it is larger than the sum of its proper divisors (76819727).

380357305 is a wasteful number, since it uses less digits than its factorization.

380357305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124715.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 380357305 is about 19502.7512161746. The cubic root of 380357305 is about 724.5425921763.

The spelling of 380357305 in words is "three hundred eighty million, three hundred fifty-seven thousand, three hundred five".