378744403 has 2 divisors, whose sum is σ = 378744404. Its totient is φ = 378744402.

The previous prime is 378744397. The next prime is 378744439. The reversal of 378744403 is 304447873.

It is a weak prime.

It is an emirp because it is prime and its reverse (304447873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378744403 - 2¹⁷ = 378613331 is a prime.

It is not a weakly prime, because it can be changed into another prime (378744503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189372201 + 189372202.

It is an arithmetic number, because the mean of its divisors is an integer number (189372202).

Almost surely, 2^378744403 is an apocalyptic number.

378744403 is a deficient number, since it is larger than the sum of its proper divisors (1).

378744403 is an equidigital number, since it uses as much as digits as its factorization.

378744403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 378744403 is about 19461.3566587738. The cubic root of 378744403 is about 723.5170021860.

The spelling of 378744403 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, four hundred three".