28469108 has 6 divisors (see below), whose sum is σ = 49820946. Its totient is φ = 14234552.

The previous prime is 28469099. The next prime is 28469117. The reversal of 28469108 is 80196482.

It is an interprime number because it is at equal distance from previous prime (28469099) and next prime (28469117).

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 1304164 = 5212^2 + 1142^2 .

It is a super-2 number, since 2×28469108² = 1620980220631328, 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 as a sum of consecutive naturals, namely, 3558635 + ... + 3558642.

It is an arithmetic number, because the mean of its divisors is an integer number (8303491).

Almost surely, 2^28469108 is an apocalyptic number.

It is an amenable number.

28469108 is a deficient number, since it is larger than the sum of its proper divisors (21351838).

28469108 is a wasteful number, since it uses less digits than its factorization.

28469108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117281 (or 7117279 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28469108 is about 5335.6450406675. The cubic root of 28469108 is about 305.3453331202.

The spelling of 28469108 in words is "twenty-eight million, four hundred sixty-nine thousand, one hundred eight".