28434708 has 36 divisors (see below), whose sum is σ = 72156448. Its totient is φ = 9441360.

The previous prime is 28434691. The next prime is 28434767. The reversal of 28434708 is 80743482.

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 (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8793 + ... + 11583.

Almost surely, 2^28434708 is an apocalyptic number.

It is an amenable number.

28434708 is an abundant number, since it is smaller than the sum of its proper divisors (43721740).

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

28434708 is a wasteful number, since it uses less digits than its factorization.

28434708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 28434708 is about 5332.4204635419. The cubic root of 28434708 is about 305.2222978521. Note that the first 4 decimals are identical.

The spelling of 28434708 in words is "twenty-eight million, four hundred thirty-four thousand, seven hundred eight".