381953214 has 48 divisors (see below), whose sum is σ = 840136752. Its totient is φ = 125397504.

The previous prime is 381953213. The next prime is 381953227. The reversal of 381953214 is 412359183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381953213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493732 + ... + 494504.

It is an arithmetic number, because the mean of its divisors is an integer number (17502849).

Almost surely, 2^381953214 is an apocalyptic number.

381953214 is an abundant number, since it is smaller than the sum of its proper divisors (458183538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381953214 is a wasteful number, since it uses less digits than its factorization.

381953214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1158 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 381953214 is about 19543.6233590396. The cubic root of 381953214 is about 725.5545271605.

The spelling of 381953214 in words is "three hundred eighty-one million, nine hundred fifty-three thousand, two hundred fourteen".