340860538 has 4 divisors (see below), whose sum is σ = 511290810. Its totient is φ = 170430268.

The previous prime is 340860491. The next prime is 340860599. The reversal of 340860538 is 835068043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835068043 = 89 ⋅9382787.

It can be written as a sum of positive squares in only one way, i.e., 308107809 + 32752729 = 17553^2 + 5723^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340860497 and 340860506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85215133 + ... + 85215136.

Almost surely, 2^340860538 is an apocalyptic number.

340860538 is a deficient number, since it is larger than the sum of its proper divisors (170430272).

340860538 is a wasteful number, since it uses less digits than its factorization.

340860538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170430271.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 340860538 is about 18462.4087810881. The cubic root of 340860538 is about 698.5415470911.

The spelling of 340860538 in words is "three hundred forty million, eight hundred sixty thousand, five hundred thirty-eight".