379764009 has 6 divisors (see below), whose sum is σ = 548548026. Its totient is φ = 253176000.

The previous prime is 379763999. The next prime is 379764029. The reversal of 379764009 is 900467973.

It can be written as a sum of positive squares in only one way, i.e., 315843984 + 63920025 = 17772^2 + 7995^2 .

It is not a de Polignac number, because 379764009 - 2¹⁵ = 379731241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (379764029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21097992 + ... + 21098009.

It is an arithmetic number, because the mean of its divisors is an integer number (91424671).

Almost surely, 2^379764009 is an apocalyptic number.

It is an amenable number.

379764009 is a deficient number, since it is larger than the sum of its proper divisors (168784017).

379764009 is a wasteful number, since it uses less digits than its factorization.

379764009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42196007 (or 42196004 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 379764009 is about 19487.5347081153. The cubic root of 379764009 is about 724.1656729670.

The spelling of 379764009 in words is "three hundred seventy-nine million, seven hundred sixty-four thousand, nine".