342477 has 6 divisors (see below), whose sum is σ = 494702. Its totient is φ = 228312.

The previous prime is 342469. The next prime is 342481. The reversal of 342477 is 774243.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 60516 = 531^2 + 246^2 .

It is not a de Polignac number, because 342477 - 2³ = 342469 is a prime.

It is a Duffinian number.

342477 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 342477.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342477.

It is not an unprimeable number, because it can be changed into a prime (342467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19018 + ... + 19035.

2³⁴²⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

342477 is a deficient number, since it is larger than the sum of its proper divisors (152225).

342477 is a wasteful number, since it uses less digits than its factorization.

342477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38059 (or 38056 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 342477 is about 585.2153449799. The cubic root of 342477 is about 69.9644036704.

The spelling of 342477 in words is "three hundred forty-two thousand, four hundred seventy-seven", and thus it is an iban number.