4020104 has 24 divisors (see below), whose sum is σ = 8287230. Its totient is φ = 1826880.

The previous prime is 4020031. The next prime is 4020119. The reversal of 4020104 is 4010204.

It can be written as a sum of positive squares in only one way, i.e., 4008004 + 12100 = 2002^2 + 110^2 .

It is a super-2 number, since 2×4020104² = 32322472341632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1109 + ... + 3044.

Almost surely, 2^4020104 is an apocalyptic number.

4020104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4020104 is an abundant number, since it is smaller than the sum of its proper divisors (4267126).

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

4020104 is a wasteful number, since it uses less digits than its factorization.

4020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181 (or 4166 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4020104 is about 2005.0197006513. The cubic root of 4020104 is about 159.0056034838.

Adding to 4020104 its reverse (4010204), we get a palindrome (8030308).

The spelling of 4020104 in words is "four million, twenty thousand, one hundred four".