649202 has 16 divisors (see below), whose sum is σ = 1036032. Its totient is φ = 304560.

The previous prime is 649183. The next prime is 649217. The reversal of 649202 is 202946.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649202.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2153 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (64752).

2⁶⁴⁹²⁰² is an apocalyptic number.

649202 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

649202 is a deficient number, since it is larger than the sum of its proper divisors (386830).

649202 is a wasteful number, since it uses less digits than its factorization.

649202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 649202 is about 805.7307242497. The cubic root of 649202 is about 86.5884468478.

The spelling of 649202 in words is "six hundred forty-nine thousand, two hundred two".