342907243 has 6 divisors (see below), whose sum is σ = 398892156. Its totient is φ = 293920452.

The previous prime is 342907237. The next prime is 342907247. The reversal of 342907243 is 342709243.

It is a happy number.

It is not a de Polignac number, because 342907243 - 2⁵ = 342907211 is a prime.

It is a super-2 number, since 2×342907243² = 235170754603722098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342907199 and 342907208.

It is not an unprimeable number, because it can be changed into a prime (342907247) 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, 3499005 + ... + 3499102.

It is an arithmetic number, because the mean of its divisors is an integer number (66482026).

Almost surely, 2^342907243 is an apocalyptic number.

342907243 is a deficient number, since it is larger than the sum of its proper divisors (55984913).

342907243 is an equidigital number, since it uses as much as digits as its factorization.

342907243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998121 (or 6998114 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 342907243 is about 18517.7548045113. The cubic root of 342907243 is about 699.9368943111.

The spelling of 342907243 in words is "three hundred forty-two million, nine hundred seven thousand, two hundred forty-three".