201836642 has 8 divisors (see below), whose sum is σ = 346005696. Its totient is φ = 86501412.

The previous prime is 201836633. The next prime is 201836651. The reversal of 201836642 is 246638102.

It is an interprime number because it is at equal distance from previous prime (201836633) and next prime (201836651).

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

It is a junction number, because it is equal to n+sod(n) for n = 201836599 and 201836608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208438 + ... + 7208465.

It is an arithmetic number, because the mean of its divisors is an integer number (43250712).

Almost surely, 2^201836642 is an apocalyptic number.

201836642 is a deficient number, since it is larger than the sum of its proper divisors (144169054).

201836642 is a wasteful number, since it uses less digits than its factorization.

201836642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416912.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 201836642 is about 14206.9223268096. The cubic root of 201836642 is about 586.5882203277.

The spelling of 201836642 in words is "two hundred one million, eight hundred thirty-six thousand, six hundred forty-two".