4020980 has 12 divisors (see below), whose sum is σ = 8444100. Its totient is φ = 1608384.

The previous prime is 4020977. The next prime is 4021001. The reversal of 4020980 is 890204.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 2155024 = 1366^2 + 1468^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100505 + ... + 100544.

It is an arithmetic number, because the mean of its divisors is an integer number (703675).

Almost surely, 2^4020980 is an apocalyptic number.

It is an amenable number.

4020980 is an abundant number, since it is smaller than the sum of its proper divisors (4423120).

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

4020980 is a wasteful number, since it uses less digits than its factorization.

4020980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201058 (or 201056 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4020980 is about 2005.2381404711. The cubic root of 4020980 is about 159.0171520070.

The spelling of 4020980 in words is "four million, twenty thousand, nine hundred eighty".