350440 has 16 divisors (see below), whose sum is σ = 788580. Its totient is φ = 140160.

The previous prime is 350437. The next prime is 350443. The reversal of 350440 is 44053.

It is an interprime number because it is at equal distance from previous prime (350437) and next prime (350443).

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 34596 = 562^2 + 186^2 .

It is not an unprimeable number, because it can be changed into a prime (350443) 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, 4341 + ... + 4420.

2³⁵⁰⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

350440 is an abundant number, since it is smaller than the sum of its proper divisors (438140).

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

350440 is a wasteful number, since it uses less digits than its factorization.

350440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8768 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 350440 is about 591.9797293827. The cubic root of 350440 is about 70.5025064917.

Adding to 350440 its reverse (44053), we get a palindrome (394493).

The spelling of 350440 in words is "three hundred fifty thousand, four hundred forty".