201648794 has 4 divisors (see below), whose sum is σ = 302473194. Its totient is φ = 100824396.

The previous prime is 201648791. The next prime is 201648809. The reversal of 201648794 is 497846102.

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

It can be written as a sum of positive squares in only one way, i.e., 140730769 + 60918025 = 11863^2 + 7805^2 .

It is a super-2 number, since 2×201648794² = 81324472243308872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201648791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50412197 + ... + 50412200.

Almost surely, 2^201648794 is an apocalyptic number.

201648794 is a deficient number, since it is larger than the sum of its proper divisors (100824400).

201648794 is a wasteful number, since it uses less digits than its factorization.

201648794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100824399.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 201648794 is about 14200.3096445113. The cubic root of 201648794 is about 586.4061859445.

The spelling of 201648794 in words is "two hundred one million, six hundred forty-eight thousand, seven hundred ninety-four".