28164350 has 12 divisors (see below), whose sum is σ = 52385784. Its totient is φ = 11265720.

The previous prime is 28164347. The next prime is 28164361. The reversal of 28164350 is 5346182.

It is a super-2 number, since 2×28164350² = 1586461221845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281594 + ... + 281693.

It is an arithmetic number, because the mean of its divisors is an integer number (4365482).

Almost surely, 2^28164350 is an apocalyptic number.

28164350 is a deficient number, since it is larger than the sum of its proper divisors (24221434).

28164350 is a wasteful number, since it uses less digits than its factorization.

28164350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563299 (or 563294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28164350 is about 5307.0095157254. The cubic root of 28164350 is about 304.2518616256.

The spelling of 28164350 in words is "twenty-eight million, one hundred sixty-four thousand, three hundred fifty".