1993107 has 4 divisors (see below), whose sum is σ = 2657480. Its totient is φ = 1328736.

The previous prime is 1993087. The next prime is 1993109. The reversal of 1993107 is 7013991.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1993107 - 2¹⁶ = 1927571 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332182 + ... + 332187.

It is an arithmetic number, because the mean of its divisors is an integer number (664370).

2^1993107 is an apocalyptic number.

1993107 is a deficient number, since it is larger than the sum of its proper divisors (664373).

1993107 is an equidigital number, since it uses as much as digits as its factorization.

1993107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664372.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1993107 is about 1411.7744154078. The cubic root of 1993107 is about 125.8471944538.

The spelling of 1993107 in words is "one million, nine hundred ninety-three thousand, one hundred seven".