349589682 has 90 divisors (see below), whose sum is σ = 855804807. Its totient is φ = 106614144.

The previous prime is 349589677. The next prime is 349589687. The reversal of 349589682 is 286985943.

It is an interprime number because it is at equal distance from previous prime (349589677) and next prime (349589687).

It can be written as a sum of positive squares in 5 ways, for example, as 22667121 + 326922561 = 4761^2 + 18081^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13221.

It is a super-2 number, since 2×349589682² = 244425891521722248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (349589687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3093658 + ... + 3093770.

Almost surely, 2^349589682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349589682

349589682 is an abundant number, since it is smaller than the sum of its proper divisors (506215125).

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

349589682 is a wasteful number, since it uses less digits than its factorization.

349589682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 131 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 349589682 is about 18697.3175081347. The cubic root of 349589682 is about 704.4543718496.

The spelling of 349589682 in words is "three hundred forty-nine million, five hundred eighty-nine thousand, six hundred eighty-two".