349540086 has 16 divisors (see below), whose sum is σ = 798948864. Its totient is φ = 99868584.

The previous prime is 349540063. The next prime is 349540109. The reversal of 349540086 is 680045943.

It is an interprime number because it is at equal distance from previous prime (349540063) and next prime (349540109).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161150 + ... + 4161233.

It is an arithmetic number, because the mean of its divisors is an integer number (49934304).

Almost surely, 2^349540086 is an apocalyptic number.

349540086 is an abundant number, since it is smaller than the sum of its proper divisors (449408778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349540086 is a wasteful number, since it uses less digits than its factorization.

349540086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322395.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 349540086 is about 18695.9911745807. The cubic root of 349540086 is about 704.4210568204.

The spelling of 349540086 in words is "three hundred forty-nine million, five hundred forty thousand, eighty-six".