4020964 has 6 divisors (see below), whose sum is σ = 7036694. Its totient is φ = 2010480.

The previous prime is 4020949. The next prime is 4020977. The reversal of 4020964 is 4690204.

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 52900 = 1992^2 + 230^2 .

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 as a sum of consecutive naturals, namely, 502617 + ... + 502624.

Almost surely, 2^4020964 is an apocalyptic number.

It is an amenable number.

4020964 is a deficient number, since it is larger than the sum of its proper divisors (3015730).

4020964 is a wasteful number, since it uses less digits than its factorization.

4020964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005245 (or 1005243 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4020964 is about 2005.2341509160. The cubic root of 4020964 is about 159.0169410901.

The spelling of 4020964 in words is "four million, twenty thousand, nine hundred sixty-four".