349676677 has 16 divisors (see below), whose sum is σ = 411822720. Its totient is φ = 290634048.

The previous prime is 349676671. The next prime is 349676699. The reversal of 349676677 is 776676943.

It is a cyclic number.

It is not a de Polignac number, because 349676677 - 2⁷ = 349676549 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 (349676671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79974 + ... + 84232.

It is an arithmetic number, because the mean of its divisors is an integer number (25738920).

Almost surely, 2^349676677 is an apocalyptic number.

349676677 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

349676677 is a deficient number, since it is larger than the sum of its proper divisors (62146043).

349676677 is a wasteful number, since it uses less digits than its factorization.

349676677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620.

The product of its digits is 8001504, while the sum is 55.

The square root of 349676677 is about 18699.6437666604. The cubic root of 349676677 is about 704.5128012298.

The spelling of 349676677 in words is "three hundred forty-nine million, six hundred seventy-six thousand, six hundred seventy-seven".