10081898 has 4 divisors (see below), whose sum is σ = 15122850. Its totient is φ = 5040948.

The previous prime is 10081873. The next prime is 10081933. The reversal of 10081898 is 89818001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8196769 + 1885129 = 2863^2 + 1373^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2520473 + ... + 2520476.

Almost surely, 2^10081898 is an apocalyptic number.

10081898 is a deficient number, since it is larger than the sum of its proper divisors (5040952).

10081898 is an equidigital number, since it uses as much as digits as its factorization.

10081898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040951.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 10081898 is about 3175.2004661123. The cubic root of 10081898 is about 216.0300169761.

Adding to 10081898 its reverse (89818001), we get a palindrome (99899899).

The spelling of 10081898 in words is "ten million, eighty-one thousand, eight hundred ninety-eight".