353000421 has 24 divisors (see below), whose sum is σ = 518922144. Its totient is φ = 231184800.

The previous prime is 353000399. The next prime is 353000429. The reversal of 353000421 is 124000353.

It is not a de Polignac number, because 353000421 - 2⁶ = 353000357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353000394 and 353000403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353000429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335346 + ... + 336396.

It is an arithmetic number, because the mean of its divisors is an integer number (21621756).

Almost surely, 2^353000421 is an apocalyptic number.

It is an amenable number.

353000421 is a deficient number, since it is larger than the sum of its proper divisors (165921723).

353000421 is a wasteful number, since it uses less digits than its factorization.

353000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 353000421 is about 18788.3054318371. The cubic root of 353000421 is about 706.7379424320.

Adding to 353000421 its reverse (124000353), we get a palindrome (477000774).

The spelling of 353000421 in words is "three hundred fifty-three million, four hundred twenty-one", and thus it is an aban number.