340906965 has 48 divisors (see below), whose sum is σ = 637072128. Its totient is φ = 155213184.

The previous prime is 340906961. The next prime is 340906981. The reversal of 340906965 is 569609043.

It is not a de Polignac number, because 340906965 - 2² = 340906961 is a prime.

It is a super-2 number, since 2×340906965² = 232435117571022450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340906961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214564 + ... + 216146.

It is an arithmetic number, because the mean of its divisors is an integer number (13272336).

Almost surely, 2^340906965 is an apocalyptic number.

340906965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340906965 is a deficient number, since it is larger than the sum of its proper divisors (296165163).

340906965 is a wasteful number, since it uses less digits than its factorization.

340906965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 340906965 is about 18463.6660769198. Note that the first 3 decimals coincide. The cubic root of 340906965 is about 698.5732606636.

The spelling of 340906965 in words is "three hundred forty million, nine hundred six thousand, nine hundred sixty-five".