340897911 has 4 divisors (see below), whose sum is σ = 454530552. Its totient is φ = 227265272.

The previous prime is 340897897. The next prime is 340897913. The reversal of 340897911 is 119798043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340897911 - 2¹⁰ = 340896887 is a prime.

It is a super-2 number, since 2×340897911² = 232422771448327842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340897913) 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, 56816316 + ... + 56816321.

It is an arithmetic number, because the mean of its divisors is an integer number (113632638).

Almost surely, 2^340897911 is an apocalyptic number.

340897911 is a deficient number, since it is larger than the sum of its proper divisors (113632641).

340897911 is a wasteful number, since it uses less digits than its factorization.

340897911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113632640.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 340897911 is about 18463.4208910483. The cubic root of 340897911 is about 698.5670762409.

The spelling of 340897911 in words is "three hundred forty million, eight hundred ninety-seven thousand, nine hundred eleven".