340851838 has 4 divisors (see below), whose sum is σ = 511277760. Its totient is φ = 170425918.

The previous prime is 340851827. The next prime is 340851859. The reversal of 340851838 is 838158043.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 340851838.

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, 85212958 + ... + 85212961.

It is an arithmetic number, because the mean of its divisors is an integer number (127819440).

Almost surely, 2^340851838 is an apocalyptic number.

340851838 is a deficient number, since it is larger than the sum of its proper divisors (170425922).

340851838 is a wasteful number, since it uses less digits than its factorization.

340851838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170425921.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 340851838 is about 18462.1731656921. The cubic root of 340851838 is about 698.5356039341.

The spelling of 340851838 in words is "three hundred forty million, eight hundred fifty-one thousand, eight hundred thirty-eight".