6039978 has 32 divisors (see below), whose sum is σ = 14254080. Its totient is φ = 1669680.

The previous prime is 6039977. The next prime is 6040019. The reversal of 6039978 is 8799306.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6039977) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1018 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (445440).

Almost surely, 2^6039978 is an apocalyptic number.

6039978 is an abundant number, since it is smaller than the sum of its proper divisors (8214102).

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

6039978 is a wasteful number, since it uses less digits than its factorization.

6039978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6039978 is about 2457.6366696483. The cubic root of 6039978 is about 182.1147487135.

The spelling of 6039978 in words is "six million, thirty-nine thousand, nine hundred seventy-eight".