380511705 has 48 divisors (see below), whose sum is σ = 710385984. Its totient is φ = 173416320.

The previous prime is 380511683. The next prime is 380511713. The reversal of 380511705 is 507115083.

It is not a de Polignac number, because 380511705 - 2⁵ = 380511673 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338274 + ... + 339396.

It is an arithmetic number, because the mean of its divisors is an integer number (14799708).

Almost surely, 2^380511705 is an apocalyptic number.

380511705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380511705 is a deficient number, since it is larger than the sum of its proper divisors (329874279).

380511705 is a wasteful number, since it uses less digits than its factorization.

380511705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 380511705 is about 19506.7092304161. The cubic root of 380511705 is about 724.6406177617.

Adding to 380511705 its reverse (507115083), we get a palindrome (887626788).

The spelling of 380511705 in words is "three hundred eighty million, five hundred eleven thousand, seven hundred five".