246440 has 32 divisors (see below), whose sum is σ = 569160. Its totient is φ = 96000.

The previous prime is 246439. The next prime is 246469. The reversal of 246440 is 44642.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 51076 = 442^2 + 226^2 .

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2390 + ... + 2490.

2²⁴⁶⁴⁴⁰ is an apocalyptic number.

246440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284580).

246440 is an abundant number, since it is smaller than the sum of its proper divisors (322720).

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

246440 is a wasteful number, since it uses less digits than its factorization.

246440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 246440 is about 496.4272353528. The cubic root of 246440 is about 62.6956005416.

It can be divided in two parts, 246 and 440, that added together give a palindrome (686).

The spelling of 246440 in words is "two hundred forty-six thousand, four hundred forty".