378578 has 8 divisors (see below), whose sum is σ = 575868. Its totient is φ = 186624.

The previous prime is 378571. The next prime is 378583. The reversal of 378578 is 875873.

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 2809 = 613^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378571) 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, 1151 + ... + 1442.

2³⁷⁸⁵⁷⁸ is an apocalyptic number.

378578 is a deficient number, since it is larger than the sum of its proper divisors (197290).

378578 is a wasteful number, since it uses less digits than its factorization.

378578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668.

The product of its digits is 47040, while the sum is 38.

The square root of 378578 is about 615.2869249383. The cubic root of 378578 is about 72.3411026551.

The spelling of 378578 in words is "three hundred seventy-eight thousand, five hundred seventy-eight".