340611644 has 6 divisors (see below), whose sum is σ = 596070384. Its totient is φ = 170305820.

The previous prime is 340611619. The next prime is 340611647. The reversal of 340611644 is 446116043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340611647) 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 as a sum of consecutive naturals, namely, 42576452 + ... + 42576459.

It is an arithmetic number, because the mean of its divisors is an integer number (99345064).

Almost surely, 2^340611644 is an apocalyptic number.

It is an amenable number.

340611644 is a deficient number, since it is larger than the sum of its proper divisors (255458740).

340611644 is a wasteful number, since it uses less digits than its factorization.

340611644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85152915 (or 85152913 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 340611644 is about 18455.6669887598. Note that the first 3 decimals coincide. The cubic root of 340611644 is about 698.3714822940.

Adding to 340611644 its reverse (446116043), we get a palindrome (786727687).

The spelling of 340611644 in words is "three hundred forty million, six hundred eleven thousand, six hundred forty-four".