28298092 has 6 divisors (see below), whose sum is σ = 49521668. Its totient is φ = 14149044.

The previous prime is 28298063. The next prime is 28298093. The reversal of 28298092 is 29089282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28298093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537258 + ... + 3537265.

Almost surely, 2^28298092 is an apocalyptic number.

It is an amenable number.

28298092 is a deficient number, since it is larger than the sum of its proper divisors (21223576).

28298092 is a wasteful number, since it uses less digits than its factorization.

28298092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074527 (or 7074525 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 28298092 is about 5319.5950973735. The cubic root of 28298092 is about 304.7326942226.

The spelling of 28298092 in words is "twenty-eight million, two hundred ninety-eight thousand, ninety-two".