1993379 has 4 divisors (see below), whose sum is σ = 2042040. Its totient is φ = 1944720.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993379 is 9733991.

1993379 = T₁₁₅ + T₁₁₆ + ... + T₂₃₇.

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

It is a cyclic number.

It is not a de Polignac number, because 1993379 - 2⁴ = 1993363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 48619 = 1993379 / (1 + 9 + 9 + 3 + 3 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993319) 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, 24269 + ... + 24350.

It is an arithmetic number, because the mean of its divisors is an integer number (510510).

2^1993379 is an apocalyptic number.

1993379 is a deficient number, since it is larger than the sum of its proper divisors (48661).

1993379 is an equidigital number, since it uses as much as digits as its factorization.

1993379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48660.

The product of its digits is 45927, while the sum is 41.

The square root of 1993379 is about 1411.8707447922. The cubic root of 1993379 is about 125.8529189967.

The spelling of 1993379 in words is "one million, nine hundred ninety-three thousand, three hundred seventy-nine".