28010098 has 4 divisors (see below), whose sum is σ = 42015150. Its totient is φ = 14005048.

The previous prime is 28010089. The next prime is 28010107. The reversal of 28010098 is 89001082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89001082 = 2 ⋅44500541.

It is an interprime number because it is at equal distance from previous prime (28010089) and next prime (28010107).

It can be written as a sum of positive squares in only one way, i.e., 26286129 + 1723969 = 5127^2 + 1313^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7002523 + ... + 7002526.

Almost surely, 2^28010098 is an apocalyptic number.

28010098 is a deficient number, since it is larger than the sum of its proper divisors (14005052).

28010098 is a wasteful number, since it uses less digits than its factorization.

28010098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005051.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 28010098 is about 5292.4567074280. The cubic root of 28010098 is about 303.6953969376.

The spelling of 28010098 in words is "twenty-eight million, ten thousand, ninety-eight".