28439462 has 8 divisors (see below), whose sum is σ = 44035392. Its totient is φ = 13761000.

The previous prime is 28439461. The next prime is 28439471. The reversal of 28439462 is 26493482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28439461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229289 + ... + 229412.

It is an arithmetic number, because the mean of its divisors is an integer number (5504424).

Almost surely, 2^28439462 is an apocalyptic number.

28439462 is a deficient number, since it is larger than the sum of its proper divisors (15595930).

28439462 is a wasteful number, since it uses less digits than its factorization.

28439462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458734.

The product of its digits is 82944, while the sum is 38.

The square root of 28439462 is about 5332.8662087099. The cubic root of 28439462 is about 305.2393069470.

The spelling of 28439462 in words is "twenty-eight million, four hundred thirty-nine thousand, four hundred sixty-two".