381414437 has 4 divisors (see below), whose sum is σ = 384789900. Its totient is φ = 378038976.

The previous prime is 381414413. The next prime is 381414457. The reversal of 381414437 is 734414183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161010721 + 220403716 = 12689^2 + 14846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381414437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381414397 and 381414406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381414457) 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 3 ways as a sum of consecutive naturals, for example, 1687562 + ... + 1687787.

It is an arithmetic number, because the mean of its divisors is an integer number (96197475).

Almost surely, 2^381414437 is an apocalyptic number.

It is an amenable number.

381414437 is a deficient number, since it is larger than the sum of its proper divisors (3375463).

381414437 is a wasteful number, since it uses less digits than its factorization.

381414437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375462.

The product of its digits is 32256, while the sum is 35.

The square root of 381414437 is about 19529.8345359094. The cubic root of 381414437 is about 725.2132148164.

The spelling of 381414437 in words is "three hundred eighty-one million, four hundred fourteen thousand, four hundred thirty-seven".