1649212 has 6 divisors (see below), whose sum is σ = 2886128. Its totient is φ = 824604.

The previous prime is 1649173. The next prime is 1649213. The reversal of 1649212 is 2129461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206148 + ... + 206155.

2^1649212 is an apocalyptic number.

It is an amenable number.

1649212 is a deficient number, since it is larger than the sum of its proper divisors (1236916).

1649212 is a wasteful number, since it uses less digits than its factorization.

1649212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412307 (or 412305 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 1649212 is about 1284.2164926522. The cubic root of 1649212 is about 118.1477608875.

Subtracting 1649212 from its reverse (2129461), we obtain a square (480249 = 693²).

The spelling of 1649212 in words is "one million, six hundred forty-nine thousand, two hundred twelve".