4020412 has 12 divisors (see below), whose sum is σ = 7675416. Its totient is φ = 1827440.

The previous prime is 4020409. The next prime is 4020431. The reversal of 4020412 is 2140204.

It is a junction number, because it is equal to n+sod(n) for n = 4020392 and 4020401.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 45643 + ... + 45730.

It is an arithmetic number, because the mean of its divisors is an integer number (639618).

Almost surely, 2^4020412 is an apocalyptic number.

It is an amenable number.

4020412 is a deficient number, since it is larger than the sum of its proper divisors (3655004).

4020412 is a wasteful number, since it uses less digits than its factorization.

4020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91388 (or 91386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4020412 is about 2005.0965064056. The cubic root of 4020412 is about 159.0096641147.

Adding to 4020412 its reverse (2140204), we get a palindrome (6160616).

The spelling of 4020412 in words is "four million, twenty thousand, four hundred twelve".