380551655 has 12 divisors (see below), whose sum is σ = 501951576. Its totient is φ = 276764400.

The previous prime is 380551637. The next prime is 380551663. The reversal of 380551655 is 556155083.

It is not a de Polignac number, because 380551655 - 2¹⁴ = 380535271 is a prime.

It is a super-3 number, since 3×380551655³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 313901 + ... + 315110.

It is an arithmetic number, because the mean of its divisors is an integer number (41829298).

Almost surely, 2^380551655 is an apocalyptic number.

380551655 is a deficient number, since it is larger than the sum of its proper divisors (121399921).

380551655 is a wasteful number, since it uses less digits than its factorization.

380551655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629038 (or 629027 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 380551655 is about 19507.7332101913. The cubic root of 380551655 is about 724.6659769287.

The spelling of 380551655 in words is "three hundred eighty million, five hundred fifty-one thousand, six hundred fifty-five".