378093649 has 8 divisors (see below), whose sum is σ = 380131488. Its totient is φ = 376061280.

The previous prime is 378093647. The next prime is 378093689. The reversal of 378093649 is 946390873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378093649 - 2¹ = 378093647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378093647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231574 + ... + 233200.

It is an arithmetic number, because the mean of its divisors is an integer number (47516436).

Almost surely, 2^378093649 is an apocalyptic number.

It is an amenable number.

378093649 is a deficient number, since it is larger than the sum of its proper divisors (2037839).

378093649 is a wasteful number, since it uses less digits than its factorization.

378093649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 378093649 is about 19444.6303384765. The cubic root of 378093649 is about 723.1023852779.

The spelling of 378093649 in words is "three hundred seventy-eight million, ninety-three thousand, six hundred forty-nine".