249913628 has 12 divisors (see below), whose sum is σ = 438493440. Its totient is φ = 124629792.

The previous prime is 249913597. The next prime is 249913637. The reversal of 249913628 is 826319942.

249913628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×249913628³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80033 + ... + 83096.

It is an arithmetic number, because the mean of its divisors is an integer number (36541120).

Almost surely, 2^249913628 is an apocalyptic number.

It is an amenable number.

249913628 is a deficient number, since it is larger than the sum of its proper divisors (188579812).

249913628 is a wasteful number, since it uses less digits than its factorization.

249913628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163516 (or 163514 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 249913628 is about 15808.6567424307. The cubic root of 249913628 is about 629.8879686571.

The spelling of 249913628 in words is "two hundred forty-nine million, nine hundred thirteen thousand, six hundred twenty-eight".