379894789 has 2 divisors, whose sum is σ = 379894790. Its totient is φ = 379894788.

The previous prime is 379894787. The next prime is 379894817. The reversal of 379894789 is 987498973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 164685889 = 14670^2 + 12833^2 .

It is a cyclic number.

It is not a de Polignac number, because 379894789 - 2¹ = 379894787 is a prime.

Together with 379894787, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 379894789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379894787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189947394 + 189947395.

It is an arithmetic number, because the mean of its divisors is an integer number (189947395).

Almost surely, 2^379894789 is an apocalyptic number.

It is an amenable number.

379894789 is a deficient number, since it is larger than the sum of its proper divisors (1).

379894789 is an equidigital number, since it uses as much as digits as its factorization.

379894789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 64.

The square root of 379894789 is about 19490.8898975906. The cubic root of 379894789 is about 724.2487908289.

It can be divided in two parts, 37989 and 4789, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 379894789 in words is "three hundred seventy-nine million, eight hundred ninety-four thousand, seven hundred eighty-nine".