349079851 has 2 divisors, whose sum is σ = 349079852. Its totient is φ = 349079850.

The previous prime is 349079839. The next prime is 349079897. The reversal of 349079851 is 158970943.

It is a happy number.

It is an a-pointer prime, because the next prime (349079897) can be obtained adding 349079851 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (158970943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349079851 - 2¹⁷ = 348948779 is a prime.

It is not a weakly prime, because it can be changed into another prime (349079821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174539925 + 174539926.

It is an arithmetic number, because the mean of its divisors is an integer number (174539926).

Almost surely, 2^349079851 is an apocalyptic number.

349079851 is a deficient number, since it is larger than the sum of its proper divisors (1).

349079851 is an equidigital number, since it uses as much as digits as its factorization.

349079851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 349079851 is about 18683.6787330547. The cubic root of 349079851 is about 704.1117536037. Note that the first 3 decimals are identical.

The spelling of 349079851 in words is "three hundred forty-nine million, seventy-nine thousand, eight hundred fifty-one".