342077869 has 6 divisors (see below), whose sum is σ = 397927374. Its totient is φ = 293209560.

The previous prime is 342077867. The next prime is 342077887. The reversal of 342077869 is 968770243.

It can be written as a sum of positive squares in only one way, i.e., 322382025 + 19695844 = 17955^2 + 4438^2 .

It is not a de Polignac number, because 342077869 - 2¹ = 342077867 is a prime.

It is a super-2 number, since 2×342077869² = 234034536919162322, 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 (342077863) 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, 3490542 + ... + 3490639.

It is an arithmetic number, because the mean of its divisors is an integer number (66321229).

Almost surely, 2^342077869 is an apocalyptic number.

It is an amenable number.

342077869 is a deficient number, since it is larger than the sum of its proper divisors (55849505).

342077869 is an equidigital number, since it uses as much as digits as its factorization.

342077869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981195 (or 6981188 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 342077869 is about 18495.3472257214. The cubic root of 342077869 is about 699.3721370085.

The spelling of 342077869 in words is "three hundred forty-two million, seventy-seven thousand, eight hundred sixty-nine".