378468437 has 4 divisors (see below), whose sum is σ = 379422156. Its totient is φ = 377514720.

The previous prime is 378468403. The next prime is 378468443. The reversal of 378468437 is 734864873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302272996 + 76195441 = 17386^2 + 8729^2 .

It is a cyclic number.

It is not a de Polignac number, because 378468437 - 2⁶ = 378468373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378468037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476264 + ... + 477057.

It is an arithmetic number, because the mean of its divisors is an integer number (94855539).

Almost surely, 2^378468437 is an apocalyptic number.

It is an amenable number.

378468437 is a deficient number, since it is larger than the sum of its proper divisors (953719).

378468437 is an equidigital number, since it uses as much as digits as its factorization.

378468437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953718.

The product of its digits is 2709504, while the sum is 50.

The square root of 378468437 is about 19454.2652649747. The cubic root of 378468437 is about 723.3412331576.

The spelling of 378468437 in words is "three hundred seventy-eight million, four hundred sixty-eight thousand, four hundred thirty-seven".