379221478 has 4 divisors (see below), whose sum is σ = 568832220. Its totient is φ = 189610738.

The previous prime is 379221461. The next prime is 379221503. The reversal of 379221478 is 874122973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874122973 = 2887 ⋅302779.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94805368 + ... + 94805371.

It is an arithmetic number, because the mean of its divisors is an integer number (142208055).

Almost surely, 2^379221478 is an apocalyptic number.

379221478 is a deficient number, since it is larger than the sum of its proper divisors (189610742).

379221478 is a wasteful number, since it uses less digits than its factorization.

379221478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189610741.

The product of its digits is 169344, while the sum is 43.

The square root of 379221478 is about 19473.6097834993. The cubic root of 379221478 is about 723.8206608396.

The spelling of 379221478 in words is "three hundred seventy-nine million, two hundred twenty-one thousand, four hundred seventy-eight".