381413077 has 4 divisors (see below), whose sum is σ = 381453100. Its totient is φ = 381373056.

The previous prime is 381413063. The next prime is 381413129. The reversal of 381413077 is 770314183.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90744676 + 290668401 = 9526^2 + 17049^2 .

It is a cyclic number.

It is not a de Polignac number, because 381413077 - 2¹⁹ = 380888789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381413047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 27835.

It is an arithmetic number, because the mean of its divisors is an integer number (95363275).

Almost surely, 2^381413077 is an apocalyptic number.

It is an amenable number.

381413077 is a deficient number, since it is larger than the sum of its proper divisors (40023).

381413077 is a wasteful number, since it uses less digits than its factorization.

381413077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40022.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 381413077 is about 19529.7997173550. The cubic root of 381413077 is about 725.2123528571.

The spelling of 381413077 in words is "three hundred eighty-one million, four hundred thirteen thousand, seventy-seven".