379854181 has 4 divisors (see below), whose sum is σ = 434119072. Its totient is φ = 325589292.

The previous prime is 379854161. The next prime is 379854187. The reversal of 379854181 is 181458973.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 181458973 = 131 ⋅1385183.

It is not a de Polignac number, because 379854181 - 2¹¹ = 379852133 is a prime.

It is a super-2 number, since 2×379854181² = 288578397646361522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379854187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27132435 + ... + 27132448.

It is an arithmetic number, because the mean of its divisors is an integer number (108529768).

Almost surely, 2^379854181 is an apocalyptic number.

It is an amenable number.

379854181 is a deficient number, since it is larger than the sum of its proper divisors (54264891).

379854181 is an equidigital number, since it uses as much as digits as its factorization.

379854181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54264890.

The product of its digits is 241920, while the sum is 46.

The square root of 379854181 is about 19489.8481523074. The cubic root of 379854181 is about 724.2229842602. Note that the first 3 decimals are identical.

The spelling of 379854181 in words is "three hundred seventy-nine million, eight hundred fifty-four thousand, one hundred eighty-one".