6021978 has 32 divisors (see below), whose sum is σ = 13058496. Its totient is φ = 1843968.

The previous prime is 6021949. The next prime is 6021991. The reversal of 6021978 is 8791206.

6021978 is a modest number, since divided by 21978 gives 6 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3700 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (408078).

Almost surely, 2^6021978 is an apocalyptic number.

6021978 is an abundant number, since it is smaller than the sum of its proper divisors (7036518).

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

6021978 is a wasteful number, since it uses less digits than its factorization.

6021978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 6021978 is about 2453.9718824795. The cubic root of 6021978 is about 181.9336593538.

The spelling of 6021978 in words is "six million, twenty-one thousand, nine hundred seventy-eight".