340538887 has 12 divisors (see below), whose sum is σ = 377332824. Its totient is φ = 307026720.

The previous prime is 340538879. The next prime is 340538893. The reversal of 340538887 is 788835043.

It is not a de Polignac number, because 340538887 - 2³ = 340538879 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 (340538827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16164 + ... + 30697.

It is an arithmetic number, because the mean of its divisors is an integer number (31444402).

Almost surely, 2^340538887 is an apocalyptic number.

340538887 is a deficient number, since it is larger than the sum of its proper divisors (36793937).

340538887 is a wasteful number, since it uses less digits than its factorization.

340538887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46930 (or 46917 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 340538887 is about 18453.6957545094. The cubic root of 340538887 is about 698.3217530954.

The spelling of 340538887 in words is "three hundred forty million, five hundred thirty-eight thousand, eight hundred eighty-seven".