1914849 has 12 divisors (see below), whose sum is σ = 2787876. Its totient is φ = 1266432.

The previous prime is 1914821. The next prime is 1914853. The reversal of 1914849 is 9484191.

It can be written as a sum of positive squares in 2 ways, for example, as 608400 + 1306449 = 780^2 + 1143^2 .

It is not a de Polignac number, because 1914849 - 2⁵ = 1914817 is a prime.

It is an Ulam number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1914889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 2009.

It is an arithmetic number, because the mean of its divisors is an integer number (232323).

2^1914849 is an apocalyptic number.

It is an amenable number.

1914849 is a deficient number, since it is larger than the sum of its proper divisors (873027).

1914849 is a wasteful number, since it uses less digits than its factorization.

1914849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1693 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1914849 is about 1383.7806907166. The cubic root of 1914849 is about 124.1780523970.

The spelling of 1914849 in words is "one million, nine hundred fourteen thousand, eight hundred forty-nine".