378954 has 24 divisors (see below), whose sum is σ = 844740. Its totient is φ = 122688.

The previous prime is 378953. The next prime is 378967. The reversal of 378954 is 459873.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 729 = 615^2 + 27^2 .

It is a super-2 number, since 2×378954² = 287212268232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (378953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382 + ... + 950.

2³⁷⁸⁹⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422370).

378954 is an abundant number, since it is smaller than the sum of its proper divisors (465786).

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

378954 is a wasteful number, since it uses less digits than its factorization.

378954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 611 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 378954 is about 615.5923976139. The cubic root of 378954 is about 72.3650442246.

The spelling of 378954 in words is "three hundred seventy-eight thousand, nine hundred fifty-four".