378662241 has 16 divisors (see below), whose sum is σ = 528519168. Its totient is φ = 240853200.

The previous prime is 378662237. The next prime is 378662243. The reversal of 378662241 is 142266873.

It is a happy number.

It is not a de Polignac number, because 378662241 - 2² = 378662237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378662241.

It is not an unprimeable number, because it can be changed into a prime (378662243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22071 + ... + 35276.

It is an arithmetic number, because the mean of its divisors is an integer number (33032448).

Almost surely, 2^378662241 is an apocalyptic number.

378662241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

378662241 is a deficient number, since it is larger than the sum of its proper divisors (149856927).

378662241 is a wasteful number, since it uses less digits than its factorization.

378662241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57452.

The product of its digits is 96768, while the sum is 39.

The square root of 378662241 is about 19459.2456431384. The cubic root of 378662241 is about 723.4646802660.

The spelling of 378662241 in words is "three hundred seventy-eight million, six hundred sixty-two thousand, two hundred forty-one".