340447461 has 16 divisors (see below), whose sum is σ = 472345344. Its totient is φ = 217939904.

The previous prime is 340447441. The next prime is 340447489. The reversal of 340447461 is 164744043.

It is a cyclic number.

It is not a de Polignac number, because 340447461 - 2⁷ = 340447333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340447411) 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 15 ways as a sum of consecutive naturals, for example, 15306 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (29521584).

Almost surely, 2^340447461 is an apocalyptic number.

It is an amenable number.

340447461 is a deficient number, since it is larger than the sum of its proper divisors (131897883).

340447461 is a wasteful number, since it uses less digits than its factorization.

340447461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45660.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 340447461 is about 18451.2184150532. The cubic root of 340447461 is about 698.2592536458.

The spelling of 340447461 in words is "three hundred forty million, four hundred forty-seven thousand, four hundred sixty-one".