340477147 has 4 divisors (see below), whose sum is σ = 341131176. Its totient is φ = 339823120.

The previous prime is 340477127. The next prime is 340477177. The reversal of 340477147 is 741774043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340477147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340477117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326233 + ... + 327274.

It is an arithmetic number, because the mean of its divisors is an integer number (85282794).

Almost surely, 2^340477147 is an apocalyptic number.

340477147 is a deficient number, since it is larger than the sum of its proper divisors (654029).

340477147 is an equidigital number, since it uses as much as digits as its factorization.

340477147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654028.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 340477147 is about 18452.0228430381. The cubic root of 340477147 is about 698.2795484285.

The spelling of 340477147 in words is "three hundred forty million, four hundred seventy-seven thousand, one hundred forty-seven".