28898353 has 4 divisors (see below), whose sum is σ = 31525488. Its totient is φ = 26271220.

The previous prime is 28898341. The next prime is 28898357. The reversal of 28898353 is 35389882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28898353 is a prime.

It is a super-2 number, since 2×28898353² = 1670229612225218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28898357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313551 + ... + 1313572.

It is an arithmetic number, because the mean of its divisors is an integer number (7881372).

Almost surely, 2^28898353 is an apocalyptic number.

It is an amenable number.

28898353 is a deficient number, since it is larger than the sum of its proper divisors (2627135).

28898353 is a wasteful number, since it uses less digits than its factorization.

28898353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627134.

The product of its digits is 414720, while the sum is 46.

The square root of 28898353 is about 5375.7188356535. The cubic root of 28898353 is about 306.8723062828.

The spelling of 28898353 in words is "twenty-eight million, eight hundred ninety-eight thousand, three hundred fifty-three".