1985054 has 16 divisors (see below), whose sum is σ = 3113856. Its totient is φ = 948000.

The previous prime is 1985051. The next prime is 1985057. The reversal of 1985054 is 4505891.

It is an interprime number because it is at equal distance from previous prime (1985051) and next prime (1985057).

It is a self number, because there is not a number n which added to its sum of digits gives 1985054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985051) 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 7 ways as a sum of consecutive naturals, for example, 6104 + ... + 6420.

It is an arithmetic number, because the mean of its divisors is an integer number (194616).

2^1985054 is an apocalyptic number.

1985054 is a deficient number, since it is larger than the sum of its proper divisors (1128802).

1985054 is a wasteful number, since it uses less digits than its factorization.

1985054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1985054 is about 1408.9194441131. The cubic root of 1985054 is about 125.6774736027.

The spelling of 1985054 in words is "one million, nine hundred eighty-five thousand, fifty-four".