249699798 has 12 divisors (see below), whose sum is σ = 541016268. Its totient is φ = 83233260.

The previous prime is 249699797. The next prime is 249699811. The reversal of 249699798 is 897996942.

249699798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249699797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6936088 + ... + 6936123.

It is an arithmetic number, because the mean of its divisors is an integer number (45084689).

Almost surely, 2^249699798 is an apocalyptic number.

249699798 is an abundant number, since it is smaller than the sum of its proper divisors (291316470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249699798 is a wasteful number, since it uses less digits than its factorization.

249699798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872219 (or 13872216 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 249699798 is about 15801.8922284643. The cubic root of 249699798 is about 629.7082700712.

The spelling of 249699798 in words is "two hundred forty-nine million, six hundred ninety-nine thousand, seven hundred ninety-eight".