380391077 has 16 divisors (see below), whose sum is σ = 437867520. Its totient is φ = 326818800.

The previous prime is 380391013. The next prime is 380391157. The reversal of 380391077 is 770193083.

It is a happy number.

380391077 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 380391077 - 2⁶ = 380391013 is a prime.

It is a super-2 number, since 2×380391077² = 289394742922439858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380391077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380391007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94802 + ... + 98732.

It is an arithmetic number, because the mean of its divisors is an integer number (27366720).

Almost surely, 2^380391077 is an apocalyptic number.

It is an amenable number.

380391077 is a deficient number, since it is larger than the sum of its proper divisors (57476443).

380391077 is a wasteful number, since it uses less digits than its factorization.

380391077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 380391077 is about 19503.6170235164. The cubic root of 380391077 is about 724.5640356348.

The spelling of 380391077 in words is "three hundred eighty million, three hundred ninety-one thousand, seventy-seven".