379446905 has 8 divisors (see below), whose sum is σ = 456213384. Its totient is φ = 302972800.

The previous prime is 379446889. The next prime is 379446937. The reversal of 379446905 is 509644973.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2621161 + 376825744 = 1619^2 + 19412^2 .

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

It is not a de Polignac number, because 379446905 - 2⁴ = 379446889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 379446905.

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, 70226 + ... + 75435.

It is an arithmetic number, because the mean of its divisors is an integer number (57026673).

Almost surely, 2^379446905 is an apocalyptic number.

It is an amenable number.

379446905 is a deficient number, since it is larger than the sum of its proper divisors (76766479).

379446905 is a wasteful number, since it uses less digits than its factorization.

379446905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146187.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 379446905 is about 19479.3969362504. The cubic root of 379446905 is about 723.9640567252.

The spelling of 379446905 in words is "three hundred seventy-nine million, four hundred forty-six thousand, nine hundred five".