378868 has 18 divisors (see below), whose sum is σ = 771666. Its totient is φ = 162288.

The previous prime is 378823. The next prime is 378869. The reversal of 378868 is 868873.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 33124 = 588^2 + 182^2 .

It is a super-2 number, since 2×378868² = 287081922848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378869) 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, 771 + ... + 1162.

2³⁷⁸⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

378868 is an abundant number, since it is smaller than the sum of its proper divisors (392798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378868 is a wasteful number, since it uses less digits than its factorization.

378868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1942 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 378868 is about 615.5225422355. The cubic root of 378868 is about 72.3595696247.

The spelling of 378868 in words is "three hundred seventy-eight thousand, eight hundred sixty-eight".