340086553 has 4 divisors (see below), whose sum is σ = 343265040. Its totient is φ = 336908068.

The previous prime is 340086541. The next prime is 340086557. The reversal of 340086553 is 355680043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340086553 - 2²¹ = 337989401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340086557) 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 3 ways as a sum of consecutive naturals, for example, 1589083 + ... + 1589296.

It is an arithmetic number, because the mean of its divisors is an integer number (85816260).

Almost surely, 2^340086553 is an apocalyptic number.

It is an amenable number.

340086553 is a deficient number, since it is larger than the sum of its proper divisors (3178487).

340086553 is a wasteful number, since it uses less digits than its factorization.

340086553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178486.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 340086553 is about 18441.4357629768. The cubic root of 340086553 is about 698.0124251010.

The spelling of 340086553 in words is "three hundred forty million, eighty-six thousand, five hundred fifty-three".