346401493 has 4 divisors (see below), whose sum is σ = 352080268. Its totient is φ = 340722720.

The previous prime is 346401467. The next prime is 346401499. The reversal of 346401493 is 394104643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394104643 = 31 ⋅12713053.

It can be written as a sum of positive squares in 2 ways, for example, as 165714129 + 180687364 = 12873^2 + 13442^2 .

It is a cyclic number.

It is not a de Polignac number, because 346401493 - 2⁹ = 346400981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346401499) 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, 2839296 + ... + 2839417.

It is an arithmetic number, because the mean of its divisors is an integer number (88020067).

Almost surely, 2^346401493 is an apocalyptic number.

It is an amenable number.

346401493 is a deficient number, since it is larger than the sum of its proper divisors (5678775).

346401493 is an equidigital number, since it uses as much as digits as its factorization.

346401493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678774.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 346401493 is about 18611.8643074787. The cubic root of 346401493 is about 702.3063336496.

The spelling of 346401493 in words is "three hundred forty-six million, four hundred one thousand, four hundred ninety-three".