978134 has 8 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 486736.

The previous prime is 978113. The next prime is 978149. The reversal of 978134 is 431879.

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

It is a super-2 number, since 2×978134² = 1913492243912, 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 978134.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978134.

It is an unprimeable number.

978134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (184275).

2⁹⁷⁸¹³⁴ is an apocalyptic number.

978134 is a deficient number, since it is larger than the sum of its proper divisors (496066).

978134 is a wasteful number, since it uses less digits than its factorization.

978134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its digits is 6048, while the sum is 32.

The square root of 978134 is about 989.0065722734. The cubic root of 978134 is about 99.2657553764.

The spelling of 978134 in words is "nine hundred seventy-eight thousand, one hundred thirty-four".