381698455 has 8 divisors (see below), whose sum is σ = 477952992. Its totient is φ = 292082208.

The previous prime is 381698453. The next prime is 381698497. The reversal of 381698455 is 554896183.

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

It is a cyclic number.

It is not a de Polignac number, because 381698455 - 2¹ = 381698453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381698399 and 381698408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381698453) 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, 1659444 + ... + 1659673.

It is an arithmetic number, because the mean of its divisors is an integer number (59744124).

Almost surely, 2^381698455 is an apocalyptic number.

381698455 is a deficient number, since it is larger than the sum of its proper divisors (96254537).

381698455 is a wasteful number, since it uses less digits than its factorization.

381698455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319145.

The product of its digits is 1036800, while the sum is 49.

The square root of 381698455 is about 19537.1045705345. The cubic root of 381698455 is about 725.3931787282.

The spelling of 381698455 in words is "three hundred eighty-one million, six hundred ninety-eight thousand, four hundred fifty-five".