349845629 has 4 divisors (see below), whose sum is σ = 399823584. Its totient is φ = 299867676.

The previous prime is 349845611. The next prime is 349845631. The reversal of 349845629 is 926548943.

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 an emirpimes, since its reverse is a distinct semiprime: 926548943 = 17 ⋅54502879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349845629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349845649) 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, 24988967 + ... + 24988980.

It is an arithmetic number, because the mean of its divisors is an integer number (99955896).

Almost surely, 2^349845629 is an apocalyptic number.

It is an amenable number.

349845629 is a deficient number, since it is larger than the sum of its proper divisors (49977955).

349845629 is an equidigital number, since it uses as much as digits as its factorization.

349845629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49977954.

The product of its digits is 1866240, while the sum is 50.

The square root of 349845629 is about 18704.1607403273. The cubic root of 349845629 is about 704.6262485841.

The spelling of 349845629 in words is "three hundred forty-nine million, eight hundred forty-five thousand, six hundred twenty-nine".