378598499 has 2 divisors, whose sum is σ = 378598500. Its totient is φ = 378598498.

The previous prime is 378598487. The next prime is 378598537. The reversal of 378598499 is 994895873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378598499 - 2¹⁶ = 378532963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378508499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189299249 + 189299250.

It is an arithmetic number, because the mean of its divisors is an integer number (189299250).

Almost surely, 2^378598499 is an apocalyptic number.

378598499 is a deficient number, since it is larger than the sum of its proper divisors (1).

378598499 is an equidigital number, since it uses as much as digits as its factorization.

378598499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The square root of 378598499 is about 19457.6077409326. The cubic root of 378598499 is about 723.4240832480.

It can be divided in two parts, 378 and 598499, that multiplied together give a palindrome (226232622).

The spelling of 378598499 in words is "three hundred seventy-eight million, five hundred ninety-eight thousand, four hundred ninety-nine".