1914664 has 8 divisors (see below), whose sum is σ = 3590010. Its totient is φ = 957328.

The previous prime is 1914641. The next prime is 1914673. The reversal of 1914664 is 4664191.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 372100 = 1242^2 + 610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 119659 + ... + 119674.

2^1914664 is an apocalyptic number.

It is an amenable number.

1914664 is a deficient number, since it is larger than the sum of its proper divisors (1675346).

1914664 is a wasteful number, since it uses less digits than its factorization.

1914664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239339 (or 239335 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1914664 is about 1383.7138432494. The cubic root of 1914664 is about 124.1740531818.

The spelling of 1914664 in words is "one million, nine hundred fourteen thousand, six hundred sixty-four".