978914 has 4 divisors (see below), whose sum is σ = 1468374. Its totient is φ = 489456.

The previous prime is 978907. The next prime is 978917. The reversal of 978914 is 419879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 419879 = 643 ⋅653.

It can be written as a sum of positive squares in only one way, i.e., 588289 + 390625 = 767^2 + 625^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978914.

It is not an unprimeable number, because it can be changed into a prime (978917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244727 + ... + 244730.

2⁹⁷⁸⁹¹⁴ is an apocalyptic number.

978914 is a deficient number, since it is larger than the sum of its proper divisors (489460).

978914 is a wasteful number, since it uses less digits than its factorization.

978914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489459.

The product of its digits is 18144, while the sum is 38.

The square root of 978914 is about 989.4008287848. The cubic root of 978914 is about 99.2921344196.

The spelling of 978914 in words is "nine hundred seventy-eight thousand, nine hundred fourteen".