340275661 has 8 divisors (see below), whose sum is σ = 371457504. Its totient is φ = 309135120.

The previous prime is 340275659. The next prime is 340275667. The reversal of 340275661 is 166572043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340275661 - 2¹ = 340275659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340275667) 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, 8391 + ... + 27403.

It is an arithmetic number, because the mean of its divisors is an integer number (46432188).

Almost surely, 2^340275661 is an apocalyptic number.

It is an amenable number.

340275661 is a deficient number, since it is larger than the sum of its proper divisors (31181843).

340275661 is a wasteful number, since it uses less digits than its factorization.

340275661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 340275661 is about 18446.5623084628. The cubic root of 340275661 is about 698.1417796957.

The spelling of 340275661 in words is "three hundred forty million, two hundred seventy-five thousand, six hundred sixty-one".