340348689 has 32 divisors (see below), whose sum is σ = 513492480. Its totient is φ = 222768000.

The previous prime is 340348663. The next prime is 340348693. The reversal of 340348689 is 986843043.

It is not a de Polignac number, because 340348689 - 2²⁰ = 339300113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340348649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373144 + ... + 374054.

It is an arithmetic number, because the mean of its divisors is an integer number (16046640).

Almost surely, 2^340348689 is an apocalyptic number.

It is an amenable number.

340348689 is a deficient number, since it is larger than the sum of its proper divisors (173143791).

340348689 is a wasteful number, since it uses less digits than its factorization.

340348689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 340348689 is about 18448.5416496806. The cubic root of 340348689 is about 698.1917198441.

The spelling of 340348689 in words is "three hundred forty million, three hundred forty-eight thousand, six hundred eighty-nine".