342389140 has 24 divisors (see below), whose sum is σ = 719574912. Its totient is φ = 136849440.

The previous prime is 342389137. The next prime is 342389143. The reversal of 342389140 is 41983243.

It is an interprime number because it is at equal distance from previous prime (342389137) and next prime (342389143).

It is a junction number, because it is equal to n+sod(n) for n = 342389096 and 342389105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342389143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23025 + ... + 34855.

It is an arithmetic number, because the mean of its divisors is an integer number (29982288).

Almost surely, 2^342389140 is an apocalyptic number.

It is an amenable number.

342389140 is an abundant number, since it is smaller than the sum of its proper divisors (377185772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342389140 is a wasteful number, since it uses less digits than its factorization.

342389140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13287 (or 13285 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 342389140 is about 18503.7601584110. The cubic root of 342389140 is about 699.5842020457.

The spelling of 342389140 in words is "three hundred forty-two million, three hundred eighty-nine thousand, one hundred forty".