2917393 has 8 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 2747808.

The previous prime is 2917361. The next prime is 2917403. The reversal of 2917393 is 3937192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2917393 - 2⁵ = 2917361 is a prime.

It is a super-2 number, since 2×2917393² = 17022363832898, which contains 22 as substring.

It is a Duffinian number.

2917393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2917303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

2^2917393 is an apocalyptic number.

It is an amenable number.

2917393 is a deficient number, since it is larger than the sum of its proper divisors (171407).

2917393 is a wasteful number, since it uses less digits than its factorization.

2917393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 10206, while the sum is 34.

The square root of 2917393 is about 1708.0377630486. The cubic root of 2917393 is about 142.8888405377. Note that the first 4 decimals are identical.

The spelling of 2917393 in words is "two million, nine hundred seventeen thousand, three hundred ninety-three".