5813978 has 16 divisors (see below), whose sum is σ = 9180000. Its totient is φ = 2757552.

The previous prime is 5813903. The next prime is 5813989. The reversal of 5813978 is 8793185.

It is a happy number.

It is an unprimeable number.

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, 2573 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (573750).

Almost surely, 2^5813978 is an apocalyptic number.

5813978 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5813978 is a deficient number, since it is larger than the sum of its proper divisors (3366022).

5813978 is a wasteful number, since it uses less digits than its factorization.

5813978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its digits is 60480, while the sum is 41.

The square root of 5813978 is about 2411.2191936860. The cubic root of 5813978 is about 179.8143971631.

The spelling of 5813978 in words is "five million, eight hundred thirteen thousand, nine hundred seventy-eight".