381270409 has 8 divisors (see below), whose sum is σ = 410800320. Its totient is φ = 351769296.

The previous prime is 381270389. The next prime is 381270413. The reversal of 381270409 is 904072183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381270409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381270419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26004 + ... + 37930.

It is an arithmetic number, because the mean of its divisors is an integer number (51350040).

Almost surely, 2^381270409 is an apocalyptic number.

It is an amenable number.

381270409 is a deficient number, since it is larger than the sum of its proper divisors (29529911).

381270409 is a wasteful number, since it uses less digits than its factorization.

381270409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14399.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 381270409 is about 19526.1468037091. The cubic root of 381270409 is about 725.1219194091.

The spelling of 381270409 in words is "three hundred eighty-one million, two hundred seventy thousand, four hundred nine".