1894725 has 48 divisors (see below), whose sum is σ = 3987840. Its totient is φ = 864000.

The previous prime is 1894691. The next prime is 1894727. The reversal of 1894725 is 5274981.

1894725 is a `hidden beast` number, since 189 + 472 + 5 = 666.

It is not a de Polignac number, because 1894725 - 2⁹ = 1894213 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

1894725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1894725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894727) 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 47 ways as a sum of consecutive naturals, for example, 4525 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (83080).

2^1894725 is an apocalyptic number.

1894725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1894725 is an abundant number, since it is smaller than the sum of its proper divisors (2093115).

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

1894725 is a wasteful number, since it uses less digits than its factorization.

1894725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 416 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1894725 is about 1376.4901016716. The cubic root of 1894725 is about 123.7415053857.

It can be divided in two parts, 189 and 4725, that multiplied together give a square (893025 = 945²).

The spelling of 1894725 in words is "one million, eight hundred ninety-four thousand, seven hundred twenty-five".