379606639 has 4 divisors (see below), whose sum is σ = 387683424. Its totient is φ = 371529856.

The previous prime is 379606621. The next prime is 379606673. The reversal of 379606639 is 936606973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936606973 = 30181 ⋅31033.

It is a cyclic number.

It is not a de Polignac number, because 379606639 - 2¹⁵ = 379573871 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379606592 and 379606601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379606679) 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, 4038322 + ... + 4038415.

It is an arithmetic number, because the mean of its divisors is an integer number (96920856).

Almost surely, 2^379606639 is an apocalyptic number.

379606639 is a deficient number, since it is larger than the sum of its proper divisors (8076785).

379606639 is an equidigital number, since it uses as much as digits as its factorization.

379606639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076784.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 379606639 is about 19483.4965804396. The cubic root of 379606639 is about 724.0656304016.

The spelling of 379606639 in words is "three hundred seventy-nine million, six hundred six thousand, six hundred thirty-nine".