249268950 has 72 divisors (see below), whose sum is σ = 765384048. Its totient is φ = 56975040.

The previous prime is 249268933. The next prime is 249268973. The reversal of 249268950 is 59862942.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 249268896 and 249268905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36417 + ... + 42716.

It is an arithmetic number, because the mean of its divisors is an integer number (10630334).

Almost surely, 2^249268950 is an apocalyptic number.

249268950 is an abundant number, since it is smaller than the sum of its proper divisors (516115098).

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

249268950 is a wasteful number, since it uses less digits than its factorization.

249268950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79158 (or 79150 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 249268950 is about 15788.2535449618. The cubic root of 249268950 is about 629.3458819222.

The spelling of 249268950 in words is "two hundred forty-nine million, two hundred sixty-eight thousand, nine hundred fifty".