49598999 has 4 divisors (see below), whose sum is σ = 50439720. Its totient is φ = 48758280.

The previous prime is 49598963. The next prime is 49599001. The reversal of 49598999 is 99989594.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49598999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49598599) 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, 420272 + ... + 420389.

It is an arithmetic number, because the mean of its divisors is an integer number (12609930).

Almost surely, 2^49598999 is an apocalyptic number.

49598999 is a deficient number, since it is larger than the sum of its proper divisors (840721).

49598999 is an equidigital number, since it uses as much as digits as its factorization.

49598999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840720.

The product of its digits is 9447840, while the sum is 62.

The square root of 49598999 is about 7042.6556780805. The cubic root of 49598999 is about 367.4156383093.

The spelling of 49598999 in words is "forty-nine million, five hundred ninety-eight thousand, nine hundred ninety-nine".