341640945 has 24 divisors (see below), whose sum is σ = 594449856. Its totient is φ = 181509408.

The previous prime is 341640917. The next prime is 341640947. The reversal of 341640945 is 549046143.

341640945 is a `hidden beast` number, since 3 + 4 + 1 + 640 + 9 + 4 + 5 = 666.

It is not a de Polignac number, because 341640945 - 2⁹ = 341640433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (341640947) 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, 2599 + ... + 26268.

It is an arithmetic number, because the mean of its divisors is an integer number (24768744).

Almost surely, 2^341640945 is an apocalyptic number.

It is an amenable number.

341640945 is a deficient number, since it is larger than the sum of its proper divisors (252808911).

341640945 is a wasteful number, since it uses less digits than its factorization.

341640945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29141 (or 29138 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 341640945 is about 18483.5317242133. The cubic root of 341640945 is about 699.0742490219.

The spelling of 341640945 in words is "three hundred forty-one million, six hundred forty thousand, nine hundred forty-five".