381523954 has 32 divisors (see below), whose sum is σ = 690197760. Its totient is φ = 154632192.

The previous prime is 381523949. The next prime is 381523963. The reversal of 381523954 is 459325183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22002 + ... + 35314.

It is an arithmetic number, because the mean of its divisors is an integer number (21568680).

Almost surely, 2^381523954 is an apocalyptic number.

381523954 is a deficient number, since it is larger than the sum of its proper divisors (308673806).

381523954 is a wasteful number, since it uses less digits than its factorization.

381523954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13434.

The product of its digits is 129600, while the sum is 40.

The square root of 381523954 is about 19532.6381730682. The cubic root of 381523954 is about 725.2826192642.

The spelling of 381523954 in words is "three hundred eighty-one million, five hundred twenty-three thousand, nine hundred fifty-four".