242464 has 12 divisors (see below), whose sum is σ = 477414. Its totient is φ = 121216.

The previous prime is 242453. The next prime is 242467. The reversal of 242464 is 464242.

It can be written as a sum of positive squares in only one way, i.e., 242064 + 400 = 492^2 + 20^2 .

It is not an unprimeable number, because it can be changed into a prime (242467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3757 + ... + 3820.

2²⁴²⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

242464 is a deficient number, since it is larger than the sum of its proper divisors (234950).

242464 is an equidigital number, since it uses as much as digits as its factorization.

242464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7579 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 242464 is about 492.4063362712. The cubic root of 242464 is about 62.3565992311.

The spelling of 242464 in words is "two hundred forty-two thousand, four hundred sixty-four".