1914861 has 16 divisors (see below), whose sum is σ = 2825984. Its totient is φ = 1145664.

The previous prime is 1914853. The next prime is 1914883. The reversal of 1914861 is 1684191.

It is not a de Polignac number, because 1914861 - 2³ = 1914853 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (176624).

2^1914861 is an apocalyptic number.

It is an amenable number.

1914861 is a deficient number, since it is larger than the sum of its proper divisors (911123).

1914861 is a wasteful number, since it uses less digits than its factorization.

1914861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 1728, while the sum is 30.

The square root of 1914861 is about 1383.7850266570. The cubic root of 1914861 is about 124.1783117966.

It can be divided in two parts, 1914 and 861, that added together give a triangular number (2775 = T₇₄).

The spelling of 1914861 in words is "one million, nine hundred fourteen thousand, eight hundred sixty-one".