5578990 has 8 divisors (see below), whose sum is σ = 10042200. Its totient is φ = 2231592.

The previous prime is 5578987. The next prime is 5579017. The reversal of 5578990 is 998755.

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

It is a super-2 number, since 2×5578990² = 62250258840200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278940 + ... + 278959.

It is an arithmetic number, because the mean of its divisors is an integer number (1255275).

Almost surely, 2^5578990 is an apocalyptic number.

5578990 is a deficient number, since it is larger than the sum of its proper divisors (4463210).

5578990 is a wasteful number, since it uses less digits than its factorization.

5578990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557906.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 5578990 is about 2361.9885689817. The cubic root of 5578990 is about 177.3584403306.

The spelling of 5578990 in words is "five million, five hundred seventy-eight thousand, nine hundred ninety".