378207403 has 12 divisors (see below), whose sum is σ = 442537968. Its totient is φ = 316627920.

The previous prime is 378207373. The next prime is 378207419. The reversal of 378207403 is 304702873.

It is not a de Polignac number, because 378207403 - 2⁵ = 378207371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378207703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (36878164).

Almost surely, 2^378207403 is an apocalyptic number.

378207403 is a deficient number, since it is larger than the sum of its proper divisors (64330565).

378207403 is an equidigital number, since it uses as much as digits as its factorization.

378207403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29314 (or 29271 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 378207403 is about 19447.5551933913. Note that the first 3 decimals coincide. The cubic root of 378207403 is about 723.1748960092.

The spelling of 378207403 in words is "three hundred seventy-eight million, two hundred seven thousand, four hundred three".