381046277 has 4 divisors (see below), whose sum is σ = 385637280. Its totient is φ = 376455276.

The previous prime is 381046271. The next prime is 381046297. The reversal of 381046277 is 772640183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 381046277 - 2¹⁰ = 381045253 is a prime.

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 381046277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381046271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295377 + ... + 2295542.

It is an arithmetic number, because the mean of its divisors is an integer number (96409320).

Almost surely, 2^381046277 is an apocalyptic number.

It is an amenable number.

381046277 is a deficient number, since it is larger than the sum of its proper divisors (4591003).

381046277 is an equidigital number, since it uses as much as digits as its factorization.

381046277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591002.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 381046277 is about 19520.4066812144. The cubic root of 381046277 is about 724.9798025289.

The spelling of 381046277 in words is "three hundred eighty-one million, forty-six thousand, two hundred seventy-seven".