379947 has 8 divisors (see below), whose sum is σ = 519120. Its totient is φ = 247040.

The previous prime is 379931. The next prime is 379963. The reversal of 379947 is 749973.

It is an interprime number because it is at equal distance from previous prime (379931) and next prime (379963).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 379947 - 2⁴ = 379931 is a prime.

It is a super-3 number, since 3×379947³ = 164547130806333369, which contains 333 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (379927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (64890).

2³⁷⁹⁹⁴⁷ is an apocalyptic number.

379947 is a deficient number, since it is larger than the sum of its proper divisors (139173).

379947 is a wasteful number, since it uses less digits than its factorization.

379947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its digits is 47628, while the sum is 39.

The square root of 379947 is about 616.3984101212. The cubic root of 379947 is about 72.4281968455.

It can be divided in two parts, 379 and 947, that added together give a triangular number (1326 = T₅₁).

The spelling of 379947 in words is "three hundred seventy-nine thousand, nine hundred forty-seven".