340494887 has 12 divisors (see below), whose sum is σ = 374183880. Its totient is φ = 309407616.

The previous prime is 340494881. The next prime is 340494901. The reversal of 340494887 is 788494043.

It is not a de Polignac number, because 340494887 - 2⁶ = 340494823 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 (340494881) 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 11 ways as a sum of consecutive naturals, for example, 11933 + ... + 28694.

It is an arithmetic number, because the mean of its divisors is an integer number (31181990).

Almost surely, 2^340494887 is an apocalyptic number.

340494887 is a deficient number, since it is larger than the sum of its proper divisors (33688993).

340494887 is a wasteful number, since it uses less digits than its factorization.

340494887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40690 (or 40673 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 340494887 is about 18452.5035428800. The cubic root of 340494887 is about 698.2916757858.

The spelling of 340494887 in words is "three hundred forty million, four hundred ninety-four thousand, eight hundred eighty-seven".