346462421 has 8 divisors (see below), whose sum is σ = 350931000. Its totient is φ = 342014400.

The previous prime is 346462357. The next prime is 346462433. The reversal of 346462421 is 124264643.

It can be written as a sum of positive squares in 4 ways, for example, as 260176900 + 86285521 = 16130^2 + 9289^2 .

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 346462421 - 2⁶ = 346462357 is a prime.

It is a super-3 number, since 3×346462421³ (a number of 27 digits) contains 333 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 (346462021) 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, 30335 + ... + 40163.

It is an arithmetic number, because the mean of its divisors is an integer number (43866375).

Almost surely, 2^346462421 is an apocalyptic number.

It is an amenable number.

346462421 is a deficient number, since it is larger than the sum of its proper divisors (4468579).

346462421 is a wasteful number, since it uses less digits than its factorization.

346462421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its digits is 27648, while the sum is 32.

The square root of 346462421 is about 18613.5010409111. The cubic root of 346462421 is about 702.3475070785.

The spelling of 346462421 in words is "three hundred forty-six million, four hundred sixty-two thousand, four hundred twenty-one".