343150421 has 8 divisors (see below), whose sum is σ = 347100600. Its totient is φ = 339215040.

The previous prime is 343150403. The next prime is 343150463. The reversal of 343150421 is 124051343.

It can be written as a sum of positive squares in 4 ways, for example, as 57912100 + 285238321 = 7610^2 + 16889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 343150421 - 2¹⁸ = 342888277 is a prime.

It is a super-2 number, since 2×343150421² = 235504422864954482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343150471) 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, 46835 + ... + 53663.

It is an arithmetic number, because the mean of its divisors is an integer number (43387575).

Almost surely, 2^343150421 is an apocalyptic number.

It is an amenable number.

343150421 is a deficient number, since it is larger than the sum of its proper divisors (3950179).

343150421 is a wasteful number, since it uses less digits than its factorization.

343150421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 343150421 is about 18524.3197176037. The cubic root of 343150421 is about 700.1023122562.

The spelling of 343150421 in words is "three hundred forty-three million, one hundred fifty thousand, four hundred twenty-one".