28434462 has 16 divisors (see below), whose sum is σ = 64993152. Its totient is φ = 8124120.

The previous prime is 28434457. The next prime is 28434491. The reversal of 28434462 is 26443482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338464 + ... + 338547.

It is an arithmetic number, because the mean of its divisors is an integer number (4062072).

Almost surely, 2^28434462 is an apocalyptic number.

28434462 is an abundant number, since it is smaller than the sum of its proper divisors (36558690).

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

28434462 is a wasteful number, since it uses less digits than its factorization.

28434462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677023.

The product of its digits is 36864, while the sum is 33.

The square root of 28434462 is about 5332.3973970438. The cubic root of 28434462 is about 305.2214176496.

The spelling of 28434462 in words is "twenty-eight million, four hundred thirty-four thousand, four hundred sixty-two".