2390693 has 4 divisors (see below), whose sum is σ = 2531340. Its totient is φ = 2250048.

The previous prime is 2390653. The next prime is 2390699. The reversal of 2390693 is 3960932.

2390693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 146689 = 1498^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2390693 - 2¹⁰ = 2389669 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390699) 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, 70298 + ... + 70331.

It is an arithmetic number, because the mean of its divisors is an integer number (632835).

2^2390693 is an apocalyptic number.

It is an amenable number.

2390693 is a deficient number, since it is larger than the sum of its proper divisors (140647).

2390693 is a wasteful number, since it uses less digits than its factorization.

2390693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140646.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 2390693 is about 1546.1865993469. The cubic root of 2390693 is about 133.7132988071.

The spelling of 2390693 in words is "two million, three hundred ninety thousand, six hundred ninety-three".