342284557 has 4 divisors (see below), whose sum is σ = 342321660. Its totient is φ = 342247456.

The previous prime is 342284543. The next prime is 342284561. The reversal of 342284557 is 755482243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 755482243 = 37 ⋅20418439.

It can be written as a sum of positive squares in 2 ways, for example, as 152423716 + 189860841 = 12346^2 + 13779^2 .

It is a cyclic number.

It is not a de Polignac number, because 342284557 - 2²⁷ = 208066829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342284587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233 + ... + 27145.

It is an arithmetic number, because the mean of its divisors is an integer number (85580415).

Almost surely, 2^342284557 is an apocalyptic number.

It is an amenable number.

342284557 is a deficient number, since it is larger than the sum of its proper divisors (37103).

342284557 is a wasteful number, since it uses less digits than its factorization.

342284557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37102.

The product of its digits is 268800, while the sum is 40.

The square root of 342284557 is about 18500.9339493983. The cubic root of 342284557 is about 699.5129652991.

The spelling of 342284557 in words is "three hundred forty-two million, two hundred eighty-four thousand, five hundred fifty-seven".