16435428 has 12 divisors (see below), whose sum is σ = 38349360. Its totient is φ = 5478472.

The previous prime is 16435387. The next prime is 16435469. The reversal of 16435428 is 82453461.

It is an interprime number because it is at equal distance from previous prime (16435387) and next prime (16435469).

It is a tau number, because it is divible by the number of its divisors (12).

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, 684798 + ... + 684821.

It is an arithmetic number, because the mean of its divisors is an integer number (3195780).

Almost surely, 2^16435428 is an apocalyptic number.

It is an amenable number.

16435428 is an abundant number, since it is smaller than the sum of its proper divisors (21913932).

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

16435428 is a wasteful number, since it uses less digits than its factorization.

16435428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369626 (or 1369624 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 16435428 is about 4054.0631470168. The cubic root of 16435428 is about 254.2496357396.

Adding to 16435428 its reverse (82453461), we get a palindrome (98888889).

The spelling of 16435428 in words is "sixteen million, four hundred thirty-five thousand, four hundred twenty-eight".