346625449 has 4 divisors (see below), whose sum is σ = 346666320. Its totient is φ = 346584580.

The previous prime is 346625443. The next prime is 346625473. The reversal of 346625449 is 944526643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 346625449 - 2⁹ = 346624937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346625443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419 + ... + 26440.

It is an arithmetic number, because the mean of its divisors is an integer number (86666580).

Almost surely, 2^346625449 is an apocalyptic number.

It is an amenable number.

346625449 is a deficient number, since it is larger than the sum of its proper divisors (40871).

346625449 is a wasteful number, since it uses less digits than its factorization.

346625449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40870.

The product of its digits is 622080, while the sum is 43.

The square root of 346625449 is about 18617.8798202158. The cubic root of 346625449 is about 702.4576530833.

The spelling of 346625449 in words is "three hundred forty-six million, six hundred twenty-five thousand, four hundred forty-nine".