201649002 has 32 divisors (see below), whose sum is σ = 427788864. Its totient is φ = 63148800.

The previous prime is 201648989. The next prime is 201649009. The reversal of 201649002 is 200946102.

It is not an unprimeable number, because it can be changed into a prime (201649009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69052 + ... + 71912.

It is an arithmetic number, because the mean of its divisors is an integer number (13368402).

Almost surely, 2^201649002 is an apocalyptic number.

201649002 is an abundant number, since it is smaller than the sum of its proper divisors (226139862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201649002 is a wasteful number, since it uses less digits than its factorization.

201649002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 201649002 is about 14200.3169682933. The cubic root of 201649002 is about 586.4063875697.

The spelling of 201649002 in words is "two hundred one million, six hundred forty-nine thousand, two".