1649229 has 8 divisors (see below), whose sum is σ = 2221152. Its totient is φ = 1088400.

The previous prime is 1649213. The next prime is 1649237. The reversal of 1649229 is 9229461.

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

It is not a de Polignac number, because 1649229 - 2⁴ = 1649213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1649229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649299) 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, 2419 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (277644).

2^1649229 is an apocalyptic number.

It is an amenable number.

1649229 is a deficient number, since it is larger than the sum of its proper divisors (571923).

1649229 is a wasteful number, since it uses less digits than its factorization.

1649229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its digits is 7776, while the sum is 33.

The square root of 1649229 is about 1284.2231114569. The cubic root of 1649229 is about 118.1481668400.

It can be divided in two parts, 1 and 649229, that added together give a triangular number (649230 = T₁₁₃₉).

The spelling of 1649229 in words is "one million, six hundred forty-nine thousand, two hundred twenty-nine".