340038961 has 4 divisors (see below), whose sum is σ = 341938800. Its totient is φ = 338139124.

The previous prime is 340038931. The next prime is 340038967. The reversal of 340038961 is 169830043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340038961 - 2⁵ = 340038929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340038967) 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 3 ways as a sum of consecutive naturals, for example, 949651 + ... + 950008.

It is an arithmetic number, because the mean of its divisors is an integer number (85484700).

Almost surely, 2^340038961 is an apocalyptic number.

It is an amenable number.

340038961 is a deficient number, since it is larger than the sum of its proper divisors (1899839).

340038961 is a wasteful number, since it uses less digits than its factorization.

340038961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899838.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 340038961 is about 18440.1453627676. The cubic root of 340038961 is about 697.9798634322.

The spelling of 340038961 in words is "three hundred forty million, thirty-eight thousand, nine hundred sixty-one".