1649214 has 32 divisors (see below), whose sum is σ = 4189440. Its totient is φ = 471096.

The previous prime is 1649213. The next prime is 1649237. The reversal of 1649214 is 4129461.

1649214 is a `hidden beast` number, since 1 + 649 + 2 + 14 = 666.

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

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (130920).

2^1649214 is an apocalyptic number.

1649214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1649214 is an abundant number, since it is smaller than the sum of its proper divisors (2540226).

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

1649214 is a wasteful number, since it uses less digits than its factorization.

1649214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4375 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1649214 is about 1284.2172713369. The cubic root of 1649214 is about 118.1478086468.

The spelling of 1649214 in words is "one million, six hundred forty-nine thousand, two hundred fourteen".