28198696 has 16 divisors (see below), whose sum is σ = 53769600. Its totient is φ = 13860144.

The previous prime is 28198691. The next prime is 28198727. The reversal of 28198696 is 69689182.

It is a happy number.

It is a super-2 number, since 2×28198696² = 1590332912200832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28198691) 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, 29400 + ... + 30343.

It is an arithmetic number, because the mean of its divisors is an integer number (3360600).

Almost surely, 2^28198696 is an apocalyptic number.

It is an amenable number.

28198696 is a deficient number, since it is larger than the sum of its proper divisors (25570904).

28198696 is a wasteful number, since it uses less digits than its factorization.

28198696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59808 (or 59804 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 28198696 is about 5310.2444388182. The cubic root of 28198696 is about 304.3754882376.

The spelling of 28198696 in words is "twenty-eight million, one hundred ninety-eight thousand, six hundred ninety-six".