200634645 has 8 divisors (see below), whose sum is σ = 321015456. Its totient is φ = 107005136.

The previous prime is 200634619. The next prime is 200634667. The reversal of 200634645 is 546436002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200634645 - 2¹⁴ = 200618261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6687807 + ... + 6687836.

It is an arithmetic number, because the mean of its divisors is an integer number (40126932).

Almost surely, 2^200634645 is an apocalyptic number.

It is an amenable number.

200634645 is a deficient number, since it is larger than the sum of its proper divisors (120380811).

200634645 is a wasteful number, since it uses less digits than its factorization.

200634645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375651.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 200634645 is about 14164.5559407981. Note that the first 3 decimals coincide. The cubic root of 200634645 is about 585.4214655843.

The spelling of 200634645 in words is "two hundred million, six hundred thirty-four thousand, six hundred forty-five".