1914045 has 16 divisors (see below), whose sum is σ = 3500160. Its totient is φ = 874944.

The previous prime is 1914043. The next prime is 1914053. The reversal of 1914045 is 5404191.

1914045 = 99² + 100² + ... + 188².

It is not a de Polignac number, because 1914045 - 2¹ = 1914043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914043) 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 15 ways as a sum of consecutive naturals, for example, 9010 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (218760).

2^1914045 is an apocalyptic number.

1914045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1914045 is a deficient number, since it is larger than the sum of its proper divisors (1586115).

1914045 is a wasteful number, since it uses less digits than its factorization.

1914045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18244.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1914045 is about 1383.4901517539. The cubic root of 1914045 is about 124.1606701507.

The spelling of 1914045 in words is "one million, nine hundred fourteen thousand, forty-five".