342089661 has 16 divisors (see below), whose sum is σ = 480522240. Its totient is φ = 215878320.

The previous prime is 342089659. The next prime is 342089663. The reversal of 342089661 is 166980243.

It is an interprime number because it is at equal distance from previous prime (342089659) and next prime (342089663).

It is not a de Polignac number, because 342089661 - 2¹ = 342089659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342089663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118906 + ... + 121748.

It is an arithmetic number, because the mean of its divisors is an integer number (30032640).

Almost surely, 2^342089661 is an apocalyptic number.

It is an amenable number.

342089661 is a deficient number, since it is larger than the sum of its proper divisors (138432579).

342089661 is a wasteful number, since it uses less digits than its factorization.

342089661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 342089661 is about 18495.6660058512. Note that the first 3 decimals coincide. The cubic root of 342089661 is about 699.3801730944.

The spelling of 342089661 in words is "three hundred forty-two million, eighty-nine thousand, six hundred sixty-one".