349428799 has 2 divisors, whose sum is σ = 349428800. Its totient is φ = 349428798.

The previous prime is 349428797. The next prime is 349428803. The reversal of 349428799 is 997824943.

It is a weak prime.

It is an emirp because it is prime and its reverse (997824943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349428799 - 2¹ = 349428797 is a prime.

Together with 349428797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349428797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174714399 + 174714400.

It is an arithmetic number, because the mean of its divisors is an integer number (174714400).

Almost surely, 2^349428799 is an apocalyptic number.

349428799 is a deficient number, since it is larger than the sum of its proper divisors (1).

349428799 is an equidigital number, since it uses as much as digits as its factorization.

349428799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 349428799 is about 18693.0147113835. The cubic root of 349428799 is about 704.3462907393.

The spelling of 349428799 in words is "three hundred forty-nine million, four hundred twenty-eight thousand, seven hundred ninety-nine".