340807851 has 32 divisors (see below), whose sum is σ = 524041280. Its totient is φ = 218723328.

The previous prime is 340807847. The next prime is 340807853. The reversal of 340807851 is 158708043.

It is not a de Polignac number, because 340807851 - 2² = 340807847 is a prime.

It is a super-2 number, since 2×340807851² = 232299982606476402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340807853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95145 + ... + 98661.

It is an arithmetic number, because the mean of its divisors is an integer number (16376290).

Almost surely, 2^340807851 is an apocalyptic number.

340807851 is a deficient number, since it is larger than the sum of its proper divisors (183233429).

340807851 is a wasteful number, since it uses less digits than its factorization.

340807851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 340807851 is about 18460.9818536285. The cubic root of 340807851 is about 698.5055539201.

The spelling of 340807851 in words is "three hundred forty million, eight hundred seven thousand, eight hundred fifty-one".