28429276 has 12 divisors (see below), whose sum is σ = 49795200. Its totient is φ = 14202080.

The previous prime is 28429273. The next prime is 28429279. The reversal of 28429276 is 67292482.

It is an interprime number because it is at equal distance from previous prime (28429273) and next prime (28429279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28429273) 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, 3525 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600).

Almost surely, 2^28429276 is an apocalyptic number.

It is an amenable number.

28429276 is a deficient number, since it is larger than the sum of its proper divisors (21365924).

28429276 is a wasteful number, since it uses less digits than its factorization.

28429276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284 (or 6282 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 28429276 is about 5331.9111020346. The cubic root of 28429276 is about 305.2028606545.

The spelling of 28429276 in words is "twenty-eight million, four hundred twenty-nine thousand, two hundred seventy-six".