381523955 has 8 divisors (see below), whose sum is σ = 458080272. Its totient is φ = 305051488.

The previous prime is 381523949. The next prime is 381523963. The reversal of 381523955 is 559325183.

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-381523955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472 + ... + 29541.

It is an arithmetic number, because the mean of its divisors is an integer number (57260034).

Almost surely, 2^381523955 is an apocalyptic number.

381523955 is a deficient number, since it is larger than the sum of its proper divisors (76556317).

381523955 is a wasteful number, since it uses less digits than its factorization.

381523955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41925.

The product of its digits is 162000, while the sum is 41.

The square root of 381523955 is about 19532.6381986664. The cubic root of 381523955 is about 725.2826198979.

The spelling of 381523955 in words is "three hundred eighty-one million, five hundred twenty-three thousand, nine hundred fifty-five".