205340738 has 16 divisors (see below), whose sum is σ = 315808416. Its totient is φ = 100080960.

The previous prime is 205340731. The next prime is 205340741. The reversal of 205340738 is 837043502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (205340731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46298 + ... + 50538.

It is an arithmetic number, because the mean of its divisors is an integer number (19738026).

Almost surely, 2^205340738 is an apocalyptic number.

205340738 is a deficient number, since it is larger than the sum of its proper divisors (110467678).

205340738 is a wasteful number, since it uses less digits than its factorization.

205340738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 205340738 is about 14329.7152100103. The cubic root of 205340738 is about 589.9633588276.

The spelling of 205340738 in words is "two hundred five million, three hundred forty thousand, seven hundred thirty-eight".