249629 has 4 divisors (see below), whose sum is σ = 253920. Its totient is φ = 245340.

The previous prime is 249607. The next prime is 249647. The reversal of 249629 is 926942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249629 - 2¹² = 245533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249595 and 249604.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249629.

It is not an unprimeable number, because it can be changed into a prime (249659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (63480).

2²⁴⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

249629 is a deficient number, since it is larger than the sum of its proper divisors (4291).

249629 is an equidigital number, since it uses as much as digits as its factorization.

249629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its digits is 7776, while the sum is 32.

The square root of 249629 is about 499.6288622568. The cubic root of 249629 is about 62.9648750199.

It can be divided in two parts, 249 and 629, that added together give a palindrome (878).

The spelling of 249629 in words is "two hundred forty-nine thousand, six hundred twenty-nine".