340961087 has 4 divisors (see below), whose sum is σ = 341748960. Its totient is φ = 340173216.

The previous prime is 340961069. The next prime is 340961119. The reversal of 340961087 is 780169043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780169043 = 1669 ⋅467447.

It is a cyclic number.

It is not a de Polignac number, because 340961087 - 2¹⁰ = 340960063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340961087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340961017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393287 + ... + 394152.

It is an arithmetic number, because the mean of its divisors is an integer number (85437240).

Almost surely, 2^340961087 is an apocalyptic number.

340961087 is a deficient number, since it is larger than the sum of its proper divisors (787873).

340961087 is an equidigital number, since it uses as much as digits as its factorization.

340961087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787872.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 340961087 is about 18465.1316540121. The cubic root of 340961087 is about 698.6102269381.

The spelling of 340961087 in words is "three hundred forty million, nine hundred sixty-one thousand, eighty-seven".