28620346 has 16 divisors (see below), whose sum is σ = 45934560. Its totient is φ = 13333680.

The previous prime is 28620343. The next prime is 28620373. The reversal of 28620346 is 64302682.

It is not an unprimeable number, because it can be changed into a prime (28620343) 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, 3856 + ... + 8491.

It is an arithmetic number, because the mean of its divisors is an integer number (2870910).

Almost surely, 2^28620346 is an apocalyptic number.

28620346 is a deficient number, since it is larger than the sum of its proper divisors (17314214).

28620346 is a wasteful number, since it uses less digits than its factorization.

28620346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28620346 is about 5349.7986878013. The cubic root of 28620346 is about 305.8850793773.

The spelling of 28620346 in words is "twenty-eight million, six hundred twenty thousand, three hundred forty-six".