201194638 has 16 divisors (see below), whose sum is σ = 306989280. Its totient is φ = 98879616.

The previous prime is 201194627. The next prime is 201194659. The reversal of 201194638 is 836491102.

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, 24658 + ... + 31786.

It is an arithmetic number, because the mean of its divisors is an integer number (19186830).

Almost surely, 2^201194638 is an apocalyptic number.

201194638 is a deficient number, since it is larger than the sum of its proper divisors (105794642).

201194638 is a wasteful number, since it uses less digits than its factorization.

201194638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 201194638 is about 14184.3095707898. The cubic root of 201194638 is about 585.9656178502.

The spelling of 201194638 in words is "two hundred one million, one hundred ninety-four thousand, six hundred thirty-eight".