1894485 has 16 divisors (see below), whose sum is σ = 3089664. Its totient is φ = 990912.

The previous prime is 1894481. The next prime is 1894489. The reversal of 1894485 is 5844981.

It is an interprime number because it is at equal distance from previous prime (1894481) and next prime (1894489).

It is not a de Polignac number, because 1894485 - 2² = 1894481 is a prime.

1894485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894481) 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 15 ways as a sum of consecutive naturals, for example, 397 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (193104).

2^1894485 is an apocalyptic number.

1894485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1894485 is the 795-th octagonal number.

It is an amenable number.

1894485 is a deficient number, since it is larger than the sum of its proper divisors (1195179).

1894485 is a wasteful number, since it uses less digits than its factorization.

1894485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 46080, while the sum is 39.

The square root of 1894485 is about 1376.4029206595. The cubic root of 1894485 is about 123.7362804911.

The spelling of 1894485 in words is "one million, eight hundred ninety-four thousand, four hundred eighty-five".