14991098 has 8 divisors (see below), whose sum is σ = 22528692. Its totient is φ = 7481536.

The previous prime is 14991091. The next prime is 14991107. The reversal of 14991098 is 89019941.

It can be written as a sum of positive squares in 2 ways, for example, as 14691889 + 299209 = 3833^2 + 547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14991091) 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, 5615 + ... + 7842.

Almost surely, 2^14991098 is an apocalyptic number.

14991098 is a deficient number, since it is larger than the sum of its proper divisors (7537594).

14991098 is a wasteful number, since it uses less digits than its factorization.

14991098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 14991098 is about 3871.8339323891. The cubic root of 14991098 is about 246.5724106234.

The spelling of 14991098 in words is "fourteen million, nine hundred ninety-one thousand, ninety-eight".