249464 has 8 divisors (see below), whose sum is σ = 467760. Its totient is φ = 124728.

The previous prime is 249463. The next prime is 249497. The reversal of 249464 is 464942.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15584 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (58470).

2²⁴⁹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

249464 is a deficient number, since it is larger than the sum of its proper divisors (218296).

249464 is a wasteful number, since it uses less digits than its factorization.

249464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31189 (or 31185 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 249464 is about 499.4637123956. The cubic root of 249464 is about 62.9509991024.

The spelling of 249464 in words is "two hundred forty-nine thousand, four hundred sixty-four".