978467 has 8 divisors (see below), whose sum is σ = 1129056. Its totient is φ = 830592.

The previous prime is 978463. The next prime is 978473. The reversal of 978467 is 764879.

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

It is not a de Polignac number, because 978467 - 2² = 978463 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978467.

It is not an unprimeable number, because it can be changed into a prime (978463) 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, 173 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (141132).

2⁹⁷⁸⁴⁶⁷ is an apocalyptic number.

978467 is a deficient number, since it is larger than the sum of its proper divisors (150589).

978467 is a wasteful number, since it uses less digits than its factorization.

978467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 84672, while the sum is 41.

The square root of 978467 is about 989.1749086992. The cubic root of 978467 is about 99.2770189136.

The spelling of 978467 in words is "nine hundred seventy-eight thousand, four hundred sixty-seven".