535978 has 8 divisors (see below), whose sum is σ = 831780. Its totient is φ = 258720.

The previous prime is 535973. The next prime is 535991. The reversal of 535978 is 879535.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 64009 = 687^2 + 253^2 .

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

It is not an unprimeable number, because it can be changed into a prime (535973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4563 + ... + 4678.

2⁵³⁵⁹⁷⁸ is an apocalyptic number.

535978 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

535978 is a deficient number, since it is larger than the sum of its proper divisors (295802).

535978 is a wasteful number, since it uses less digits than its factorization.

535978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272.

The product of its digits is 37800, while the sum is 37.

The square root of 535978 is about 732.1051836997. The cubic root of 535978 is about 81.2298506248.

The spelling of 535978 in words is "five hundred thirty-five thousand, nine hundred seventy-eight".