4169428 has 6 divisors (see below), whose sum is σ = 7296506. Its totient is φ = 2084712.

The previous prime is 4169423. The next prime is 4169441. The reversal of 4169428 is 8249614.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 56644 = 2028^2 + 238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4169393 and 4169402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4169423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521175 + ... + 521182.

Almost surely, 2^4169428 is an apocalyptic number.

It is an amenable number.

4169428 is a deficient number, since it is larger than the sum of its proper divisors (3127078).

4169428 is a wasteful number, since it uses less digits than its factorization.

4169428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042361 (or 1042359 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4169428 is about 2041.9177260605. The cubic root of 4169428 is about 160.9504367582.

The spelling of 4169428 in words is "four million, one hundred sixty-nine thousand, four hundred twenty-eight".