381045707 has 12 divisors (see below), whose sum is σ = 457557696. Its totient is φ = 316073520.

The previous prime is 381045697. The next prime is 381045727. The reversal of 381045707 is 707540183.

It is not a de Polignac number, because 381045707 - 2⁸ = 381045451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381045727) 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 11 ways as a sum of consecutive naturals, for example, 123908 + ... + 126945.

It is an arithmetic number, because the mean of its divisors is an integer number (38129808).

Almost surely, 2^381045707 is an apocalyptic number.

381045707 is a deficient number, since it is larger than the sum of its proper divisors (76511989).

381045707 is a wasteful number, since it uses less digits than its factorization.

381045707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250898 (or 250891 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 381045707 is about 19520.3920811033. The cubic root of 381045707 is about 724.9794410341.

The spelling of 381045707 in words is "three hundred eighty-one million, forty-five thousand, seven hundred seven".