5979978 has 12 divisors (see below), whose sum is σ = 12956658. Its totient is φ = 1993320.

The previous prime is 5979959. The next prime is 5979979. The reversal of 5979978 is 8799795.

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 1830609 = 2037^2 + 1353^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5979979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166093 + ... + 166128.

Almost surely, 2^5979978 is an apocalyptic number.

5979978 is an abundant number, since it is smaller than the sum of its proper divisors (6976680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5979978 is a wasteful number, since it uses less digits than its factorization.

5979978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332229 (or 332226 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The square root of 5979978 is about 2445.3993538888. The cubic root of 5979978 is about 181.5097096552.

The spelling of 5979978 in words is "five million, nine hundred seventy-nine thousand, nine hundred seventy-eight".