5978890 has 8 divisors (see below), whose sum is σ = 10762020. Its totient is φ = 2391552.

The previous prime is 5978887. The next prime is 5978891. The reversal of 5978890 is 988795.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 117649 = 2421^2 + 343^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5978890.

It is not an unprimeable number, because it can be changed into a prime (5978891) 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, 298935 + ... + 298954.

Almost surely, 2^5978890 is an apocalyptic number.

5978890 is a deficient number, since it is larger than the sum of its proper divisors (4783130).

5978890 is a wasteful number, since it uses less digits than its factorization.

5978890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597896.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 5978890 is about 2445.1768852171. The cubic root of 5978890 is about 181.4987010003.

The spelling of 5978890 in words is "five million, nine hundred seventy-eight thousand, eight hundred ninety".