340163887 has 6 divisors (see below), whose sum is σ = 388814504. Its totient is φ = 291527220.

The previous prime is 340163843. The next prime is 340163909. The reversal of 340163887 is 788361043.

It is not a de Polignac number, because 340163887 - 2¹⁵ = 340131119 is a prime.

It is a super-2 number, since 2×340163887² = 231422940037897538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340163827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45312 + ... + 52282.

Almost surely, 2^340163887 is an apocalyptic number.

340163887 is a deficient number, since it is larger than the sum of its proper divisors (48650617).

340163887 is an frugal number, since it uses more digits than its factorization.

340163887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949 (or 6978 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 340163887 is about 18443.5323894313. The cubic root of 340163887 is about 698.0653292821.

The spelling of 340163887 in words is "three hundred forty million, one hundred sixty-three thousand, eight hundred eighty-seven".