4123404 has 36 divisors (see below), whose sum is σ = 10649184. Its totient is φ = 1344672.

The previous prime is 4123387. The next prime is 4123421. The reversal of 4123404 is 4043214.

It is an interprime number because it is at equal distance from previous prime (4123387) and next prime (4123421).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 474 + ... + 2910.

Almost surely, 2^4123404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5324592).

4123404 is an abundant number, since it is smaller than the sum of its proper divisors (6525780).

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

4123404 is a wasteful number, since it uses less digits than its factorization.

4123404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4123404 is about 2030.6166551075. The cubic root of 4123404 is about 160.3560300951.

Adding to 4123404 its reverse (4043214), we get a palindrome (8166618).

The spelling of 4123404 in words is "four million, one hundred twenty-three thousand, four hundred four".