1993016 has 8 divisors (see below), whose sum is σ = 3736920. Its totient is φ = 996504.

The previous prime is 1992983. The next prime is 1993031. The reversal of 1993016 is 6103991.

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

It is a super-2 number, since 2×1993016² = 7944225552512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1993016.

It is a congruent number.

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, 124556 + ... + 124571.

It is an arithmetic number, because the mean of its divisors is an integer number (467115).

2^1993016 is an apocalyptic number.

It is an amenable number.

1993016 is a deficient number, since it is larger than the sum of its proper divisors (1743904).

1993016 is a wasteful number, since it uses less digits than its factorization.

1993016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249133 (or 249129 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1993016 is about 1411.7421860949. The cubic root of 1993016 is about 125.8452791411.

The spelling of 1993016 in words is "one million, nine hundred ninety-three thousand, sixteen".