350421 has 8 divisors (see below), whose sum is σ = 494784. Its totient is φ = 219840.

The previous prime is 350411. The next prime is 350423. The reversal of 350421 is 124053.

350421 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 350421 - 2⁷ = 350293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 350421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (61848).

2³⁵⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

350421 is a deficient number, since it is larger than the sum of its proper divisors (144363).

350421 is a wasteful number, since it uses less digits than its factorization.

350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 350421 is about 591.9636813184. The cubic root of 350421 is about 70.5012323108.

Adding to 350421 its reverse (124053), we get a palindrome (474474).

The spelling of 350421 in words is "three hundred fifty thousand, four hundred twenty-one".