1649034 has 36 divisors (see below), whose sum is σ = 3807414. Its totient is φ = 515712.

The previous prime is 1649023. The next prime is 1649059. The reversal of 1649034 is 4309461.

It can be written as a sum of positive squares in 3 ways, for example, as 1432809 + 216225 = 1197^2 + 465^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1648989 and 1649007.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5044 + ... + 5360.

2^1649034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1649034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903707).

1649034 is an abundant number, since it is smaller than the sum of its proper divisors (2158380).

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

1649034 is a wasteful number, since it uses less digits than its factorization.

1649034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1649034 is about 1284.1471878254. The cubic root of 1649034 is about 118.1435101589.

The spelling of 1649034 in words is "one million, six hundred forty-nine thousand, thirty-four".