1993412 has 12 divisors (see below), whose sum is σ = 3583020. Its totient is φ = 969696.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993412 is 2143991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 440896 = 1246^2 + 664^2 .

It is not an unprimeable number, because it can be changed into a prime (1993417) 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 3 ways as a sum of consecutive naturals, for example, 6587 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (298585).

2^1993412 is an apocalyptic number.

It is an amenable number.

1993412 is a deficient number, since it is larger than the sum of its proper divisors (1589608).

1993412 is a wasteful number, since it uses less digits than its factorization.

1993412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510 (or 13508 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1993412 is about 1411.8824313660. The cubic root of 1993412 is about 125.8536134830.

The spelling of 1993412 in words is "one million, nine hundred ninety-three thousand, four hundred twelve".