249802388 has 12 divisors (see below), whose sum is σ = 476895552. Its totient is φ = 113546520.

The previous prime is 249802387. The next prime is 249802453. The reversal of 249802388 is 883208942.

249802388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 5677327 = 249802388 / (2 + 4 + 9 + 8 + 0 + 2 + 3 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249802387) 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, 2838620 + ... + 2838707.

It is an arithmetic number, because the mean of its divisors is an integer number (39741296).

Almost surely, 2^249802388 is an apocalyptic number.

It is an amenable number.

249802388 is a deficient number, since it is larger than the sum of its proper divisors (227093164).

249802388 is a wasteful number, since it uses less digits than its factorization.

249802388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677342 (or 5677340 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 249802388 is about 15805.1380253385. The cubic root of 249802388 is about 629.7944975154.

The spelling of 249802388 in words is "two hundred forty-nine million, eight hundred two thousand, three hundred eighty-eight".