340946847 has 8 divisors (see below), whose sum is σ = 505106480. Its totient is φ = 227297880.

The previous prime is 340946839. The next prime is 340946861. The reversal of 340946847 is 748649043.

It is not a de Polignac number, because 340946847 - 2³ = 340946839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340946647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6313804 + ... + 6313857.

It is an arithmetic number, because the mean of its divisors is an integer number (63138310).

Almost surely, 2^340946847 is an apocalyptic number.

340946847 is a deficient number, since it is larger than the sum of its proper divisors (164159633).

340946847 is a wasteful number, since it uses less digits than its factorization.

340946847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627670 (or 12627664 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 340946847 is about 18464.7460583676. The cubic root of 340946847 is about 698.6005011478.

The spelling of 340946847 in words is "three hundred forty million, nine hundred forty-six thousand, eight hundred forty-seven".