7990193 has 4 divisors (see below), whose sum is σ = 8125680. Its totient is φ = 7854708.

The previous prime is 7990183. The next prime is 7990231. The reversal of 7990193 is 3910997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7990193 - 2¹⁰ = 7989169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7990163) 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, 67655 + ... + 67772.

It is an arithmetic number, because the mean of its divisors is an integer number (2031420).

Almost surely, 2^7990193 is an apocalyptic number.

It is an amenable number.

7990193 is a deficient number, since it is larger than the sum of its proper divisors (135487).

7990193 is a wasteful number, since it uses less digits than its factorization.

7990193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135486.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 7990193 is about 2826.6929440602. The cubic root of 7990193 is about 199.9182415824.

The spelling of 7990193 in words is "seven million, nine hundred ninety thousand, one hundred ninety-three".