380088691 has 4 divisors (see below), whose sum is σ = 380461984. Its totient is φ = 379715400.

The previous prime is 380088677. The next prime is 380088697. The reversal of 380088691 is 196880083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196880083 = 709 ⋅277687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380088691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380088697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 185115 + ... + 187156.

It is an arithmetic number, because the mean of its divisors is an integer number (95115496).

Almost surely, 2^380088691 is an apocalyptic number.

380088691 is a deficient number, since it is larger than the sum of its proper divisors (373293).

380088691 is a wasteful number, since it uses less digits than its factorization.

380088691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373292.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 380088691 is about 19495.8634330465. The cubic root of 380088691 is about 724.3719910824.

The spelling of 380088691 in words is "three hundred eighty million, eighty-eight thousand, six hundred ninety-one".