381623354 has 32 divisors (see below), whose sum is σ = 681194880. Its totient is φ = 156881088.

The previous prime is 381623353. The next prime is 381623369. The reversal of 381623354 is 453326183.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381623351) 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 15 ways as a sum of consecutive naturals, for example, 60749 + ... + 66735.

It is an arithmetic number, because the mean of its divisors is an integer number (21287340).

Almost surely, 2^381623354 is an apocalyptic number.

381623354 is a deficient number, since it is larger than the sum of its proper divisors (299571526).

381623354 is a wasteful number, since it uses less digits than its factorization.

381623354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182.

The product of its digits is 51840, while the sum is 35.

The square root of 381623354 is about 19535.1824665141. The cubic root of 381623354 is about 725.3456007464.

The spelling of 381623354 in words is "three hundred eighty-one million, six hundred twenty-three thousand, three hundred fifty-four".