379404889 has 2 divisors, whose sum is σ = 379404890. Its totient is φ = 379404888.

The previous prime is 379404881. The next prime is 379404917. The reversal of 379404889 is 988404973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353139264 + 26265625 = 18792^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 379404889 - 2³ = 379404881 is a prime.

It is not a weakly prime, because it can be changed into another prime (379404881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189702444 + 189702445.

It is an arithmetic number, because the mean of its divisors is an integer number (189702445).

Almost surely, 2^379404889 is an apocalyptic number.

It is an amenable number.

379404889 is a deficient number, since it is larger than the sum of its proper divisors (1).

379404889 is an equidigital number, since it uses as much as digits as its factorization.

379404889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 379404889 is about 19478.3184335815. The cubic root of 379404889 is about 723.9373343246.

The spelling of 379404889 in words is "three hundred seventy-nine million, four hundred four thousand, eight hundred eighty-nine".