340413782 has 4 divisors (see below), whose sum is σ = 510620676. Its totient is φ = 170206890.

The previous prime is 340413781. The next prime is 340413791. The reversal of 340413782 is 287314043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287314043 = 12101 ⋅23743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340413781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85103444 + ... + 85103447.

It is an arithmetic number, because the mean of its divisors is an integer number (127655169).

Almost surely, 2^340413782 is an apocalyptic number.

340413782 is a deficient number, since it is larger than the sum of its proper divisors (170206894).

340413782 is a wasteful number, since it uses less digits than its factorization.

340413782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170206893.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 340413782 is about 18450.3057427242. The cubic root of 340413782 is about 698.2362276270.

The spelling of 340413782 in words is "three hundred forty million, four hundred thirteen thousand, seven hundred eighty-two".