446490 has 72 divisors (see below), whose sum is σ = 1307124. Its totient is φ = 105600.

The previous prime is 446477. The next prime is 446503. The reversal of 446490 is 94644.

It is an interprime number because it is at equal distance from previous prime (446477) and next prime (446503).

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 53361 = 627^2 + 231^2 .

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 446490.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10870 + ... + 10910.

2⁴⁴⁶⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 446490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653562).

446490 is an abundant number, since it is smaller than the sum of its proper divisors (860634).

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

446490 is a wasteful number, since it uses less digits than its factorization.

446490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 446490 is about 668.1990721334. The cubic root of 446490 is about 76.4311825052.

It can be divided in two parts, 4464 and 90, that added together give a palindrome (4554).

The spelling of 446490 in words is "four hundred forty-six thousand, four hundred ninety".