1649106 has 16 divisors (see below), whose sum is σ = 3664800. Its totient is φ = 549684.

The previous prime is 1649101. The next prime is 1649111. The reversal of 1649106 is 6019461.

1649106 is a `hidden beast` number, since 1 + 649 + 10 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1649101) and next prime (1649111).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1649106.

It is not an unprimeable number, because it can be changed into a prime (1649101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15216 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (229050).

2^1649106 is an apocalyptic number.

1649106 is an abundant number, since it is smaller than the sum of its proper divisors (2015694).

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

1649106 is a wasteful number, since it uses less digits than its factorization.

1649106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30550 (or 30544 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1649106 is about 1284.1752216890. The cubic root of 1649106 is about 118.1452295916.

The spelling of 1649106 in words is "one million, six hundred forty-nine thousand, one hundred six".