49999898 has 8 divisors (see below), whose sum is σ = 80769108. Its totient is φ = 23076864.

The previous prime is 49999897. The next prime is 49999903. The reversal of 49999898 is 89899994.

It can be written as a sum of positive squares in 2 ways, for example, as 35200489 + 14799409 = 5933^2 + 3847^2 .

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 (49999897) 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, 961511 + ... + 961562.

Almost surely, 2^49999898 is an apocalyptic number.

49999898 is a deficient number, since it is larger than the sum of its proper divisors (30769210).

49999898 is a wasteful number, since it uses less digits than its factorization.

49999898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923088.

The product of its digits is 15116544, while the sum is 65.

The square root of 49999898 is about 7071.0605993726. The cubic root of 49999898 is about 368.4028993497.

The spelling of 49999898 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred ninety-eight".