249935436 has 48 divisors (see below), whose sum is σ = 663062400. Its totient is φ = 81372816.

The previous prime is 249935419. The next prime is 249935437. The reversal of 249935436 is 634539942.

It is a junction number, because it is equal to n+sod(n) for n = 249935391 and 249935400.

It is not an unprimeable number, because it can be changed into a prime (249935437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22266 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (13813800).

Almost surely, 2^249935436 is an apocalyptic number.

It is an amenable number.

249935436 is an abundant number, since it is smaller than the sum of its proper divisors (413126964).

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

249935436 is a wasteful number, since it uses less digits than its factorization.

249935436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53875 (or 53867 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 249935436 is about 15809.3464760565. The cubic root of 249935436 is about 629.9062899166.

The spelling of 249935436 in words is "two hundred forty-nine million, nine hundred thirty-five thousand, four hundred thirty-six".