340215038 has 4 divisors (see below), whose sum is σ = 510322560. Its totient is φ = 170107518.

The previous prime is 340215017. The next prime is 340215061. The reversal of 340215038 is 830512043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830512043 = 47 ⋅17670469.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340214998 and 340215016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85053758 + ... + 85053761.

It is an arithmetic number, because the mean of its divisors is an integer number (127580640).

Almost surely, 2^340215038 is an apocalyptic number.

340215038 is a deficient number, since it is larger than the sum of its proper divisors (170107522).

340215038 is a wasteful number, since it uses less digits than its factorization.

340215038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170107521.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 340215038 is about 18444.9190293696. The cubic root of 340215038 is about 698.1003172702.

The spelling of 340215038 in words is "three hundred forty million, two hundred fifteen thousand, thirty-eight".