28746322 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 13029040.

The previous prime is 28746313. The next prime is 28746329. The reversal of 28746322 is 22364782.

It is not an unprimeable number, because it can be changed into a prime (28746329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6879 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^28746322 is an apocalyptic number.

28746322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28746322 is a deficient number, since it is larger than the sum of its proper divisors (18428078).

28746322 is a wasteful number, since it uses less digits than its factorization.

28746322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761.

The product of its digits is 32256, while the sum is 34.

The square root of 28746322 is about 5361.5596611434. The cubic root of 28746322 is about 306.3332195332. Note that the first 3 decimals are identical.

The spelling of 28746322 in words is "twenty-eight million, seven hundred forty-six thousand, three hundred twenty-two".