340622947 has 16 divisors (see below), whose sum is σ = 403228672. Its totient is φ = 281568960.

The previous prime is 340622941. The next prime is 340622977. The reversal of 340622947 is 749226043.

It is a cyclic number.

It is not a de Polignac number, because 340622947 - 2¹¹ = 340620899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340622941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64063 + ... + 69175.

It is an arithmetic number, because the mean of its divisors is an integer number (25201792).

Almost surely, 2^340622947 is an apocalyptic number.

340622947 is a deficient number, since it is larger than the sum of its proper divisors (62605725).

340622947 is a wasteful number, since it uses less digits than its factorization.

340622947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 340622947 is about 18455.9732065258. The cubic root of 340622947 is about 698.3792072261.

The spelling of 340622947 in words is "three hundred forty million, six hundred twenty-two thousand, nine hundred forty-seven".