381765104 has 40 divisors (see below), whose sum is σ = 865965408. Its totient is φ = 159621120.

The previous prime is 381765101. The next prime is 381765113. The reversal of 381765104 is 401567183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381765101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36977 + ... + 46160.

Almost surely, 2^381765104 is an apocalyptic number.

It is an amenable number.

381765104 is an abundant number, since it is smaller than the sum of its proper divisors (484200304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381765104 is a wasteful number, since it uses less digits than its factorization.

381765104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83193 (or 83187 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 381765104 is about 19538.8101991907. The cubic root of 381765104 is about 725.4353969729.

It can be divided in two parts, 3817 and 65104, that added together give a cube (68921 = 41³).

The spelling of 381765104 in words is "three hundred eighty-one million, seven hundred sixty-five thousand, one hundred four".