381458497 has 8 divisors (see below), whose sum is σ = 458897600. Its totient is φ = 309755664.

The previous prime is 381458491. The next prime is 381458509. The reversal of 381458497 is 794854183.

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 381458497 - 2¹⁹ = 380934209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381458497.

It is not an unprimeable number, because it can be changed into a prime (381458491) 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, 1433922 + ... + 1434187.

It is an arithmetic number, because the mean of its divisors is an integer number (57362200).

Almost surely, 2^381458497 is an apocalyptic number.

It is an amenable number.

381458497 is a deficient number, since it is larger than the sum of its proper divisors (77439103).

381458497 is a wasteful number, since it uses less digits than its factorization.

381458497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868135.

The product of its digits is 967680, while the sum is 49.

The square root of 381458497 is about 19530.9625210843. The cubic root of 381458497 is about 725.2411386536.

The spelling of 381458497 in words is "three hundred eighty-one million, four hundred fifty-eight thousand, four hundred ninety-seven".