378998 has 16 divisors (see below), whose sum is σ = 614304. Its totient is φ = 174720.

The previous prime is 378997. The next prime is 379007. The reversal of 378998 is 899873.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 2492.

It is an arithmetic number, because the mean of its divisors is an integer number (38394).

2³⁷⁸⁹⁹⁸ is an apocalyptic number.

378998 is a deficient number, since it is larger than the sum of its proper divisors (235306).

378998 is a wasteful number, since it uses less digits than its factorization.

378998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 108864, while the sum is 44.

The square root of 378998 is about 615.6281345098. The cubic root of 378998 is about 72.3678448625.

The spelling of 378998 in words is "three hundred seventy-eight thousand, nine hundred ninety-eight".