340645371 has 24 divisors (see below), whose sum is σ = 528614352. Its totient is φ = 194304000.

The previous prime is 340645367. The next prime is 340645373. The reversal of 340645371 is 173546043.

It is not a de Polignac number, because 340645371 - 2² = 340645367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (340645373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21430 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (22025598).

Almost surely, 2^340645371 is an apocalyptic number.

340645371 is a deficient number, since it is larger than the sum of its proper divisors (187968981).

340645371 is a wasteful number, since it uses less digits than its factorization.

340645371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55243 (or 55232 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 340645371 is about 18456.5806963262. The cubic root of 340645371 is about 698.3945321985.

The spelling of 340645371 in words is "three hundred forty million, six hundred forty-five thousand, three hundred seventy-one".