378698225 has 6 divisors (see below), whose sum is σ = 469585830. Its totient is φ = 302958560.

The previous prime is 378698209. The next prime is 378698227. The reversal of 378698225 is 522896873.

378698225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19254544 + 359443681 = 4388^2 + 18959^2 .

It is not a de Polignac number, because 378698225 - 2⁴ = 378698209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378698227) 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, 7573940 + ... + 7573989.

It is an arithmetic number, because the mean of its divisors is an integer number (78264305).

Almost surely, 2^378698225 is an apocalyptic number.

It is an amenable number.

378698225 is a deficient number, since it is larger than the sum of its proper divisors (90887605).

378698225 is a wasteful number, since it uses less digits than its factorization.

378698225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147939 (or 15147934 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 378698225 is about 19460.1702202216. The cubic root of 378698225 is about 723.4875963160.

The spelling of 378698225 in words is "three hundred seventy-eight million, six hundred ninety-eight thousand, two hundred twenty-five".