379754989 has 2 divisors, whose sum is σ = 379754990. Its totient is φ = 379754988.

The previous prime is 379754941. The next prime is 379755041. The reversal of 379754989 is 989457973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270865764 + 108889225 = 16458^2 + 10435^2 .

It is a cyclic number.

It is not a de Polignac number, because 379754989 - 2⁹ = 379754477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379751989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189877494 + 189877495.

It is an arithmetic number, because the mean of its divisors is an integer number (189877495).

Almost surely, 2^379754989 is an apocalyptic number.

It is an amenable number.

379754989 is a deficient number, since it is larger than the sum of its proper divisors (1).

379754989 is an equidigital number, since it uses as much as digits as its factorization.

379754989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 61.

The square root of 379754989 is about 19487.3032767492. The cubic root of 379754989 is about 724.1599395589.

The spelling of 379754989 in words is "three hundred seventy-nine million, seven hundred fifty-four thousand, nine hundred eighty-nine".