249870036 has 24 divisors (see below), whose sum is σ = 627878944. Its totient is φ = 76883040.

The previous prime is 249870017. The next prime is 249870077. The reversal of 249870036 is 630078942.

249870036 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 (39).

It is a junction number, because it is equal to n+sod(n) for n = 249869976 and 249870003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800710 + ... + 801021.

Almost surely, 2^249870036 is an apocalyptic number.

249870036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

249870036 is an abundant number, since it is smaller than the sum of its proper divisors (378008908).

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

249870036 is a wasteful number, since it uses less digits than its factorization.

249870036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601751 (or 1601749 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 249870036 is about 15807.2779440358. The cubic root of 249870036 is about 629.8513431061.

The spelling of 249870036 in words is "two hundred forty-nine million, eight hundred seventy thousand, thirty-six".