249024830 has 16 divisors (see below), whose sum is σ = 471836880. Its totient is φ = 94367232.

The previous prime is 249024791. The next prime is 249024833. The reversal of 249024830 is 38420942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249024833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655139 + ... + 655518.

It is an arithmetic number, because the mean of its divisors is an integer number (29489805).

Almost surely, 2^249024830 is an apocalyptic number.

249024830 is a deficient number, since it is larger than the sum of its proper divisors (222812050).

249024830 is a wasteful number, since it uses less digits than its factorization.

249024830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310683.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 249024830 is about 15780.5205871036. The cubic root of 249024830 is about 629.1403661554.

The spelling of 249024830 in words is "two hundred forty-nine million, twenty-four thousand, eight hundred thirty".