349677590 has 16 divisors (see below), whose sum is σ = 666444672. Its totient is φ = 131643264.

The previous prime is 349677583. The next prime is 349677599. The reversal of 349677590 is 95776943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349677599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028294 + ... + 1028633.

It is an arithmetic number, because the mean of its divisors is an integer number (41652792).

Almost surely, 2^349677590 is an apocalyptic number.

349677590 is a deficient number, since it is larger than the sum of its proper divisors (316767082).

349677590 is a wasteful number, since it uses less digits than its factorization.

349677590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056951.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 349677590 is about 18699.6681788742. The cubic root of 349677590 is about 704.5134143863.

The spelling of 349677590 in words is "three hundred forty-nine million, six hundred seventy-seven thousand, five hundred ninety".