978153 has 8 divisors (see below), whose sum is σ = 1422816. Its totient is φ = 592800.

The previous prime is 978151. The next prime is 978157. The reversal of 978153 is 351879.

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

It is not a de Polignac number, because 978153 - 2¹ = 978151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 29641 = 978153 / (9 + 7 + 8 + 1 + 5 + 3).

978153 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978153.

It is not an unprimeable number, because it can be changed into a prime (978151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14788 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (177852).

2⁹⁷⁸¹⁵³ is an apocalyptic number.

It is an amenable number.

978153 is a deficient number, since it is larger than the sum of its proper divisors (444663).

978153 is a wasteful number, since it uses less digits than its factorization.

978153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29655.

The product of its digits is 7560, while the sum is 33.

The square root of 978153 is about 989.0161778252. The cubic root of 978153 is about 99.2663981095.

The spelling of 978153 in words is "nine hundred seventy-eight thousand, one hundred fifty-three".