2391673 has 4 divisors (see below), whose sum is σ = 2401920. Its totient is φ = 2381428.

The previous prime is 2391671. The next prime is 2391691. The reversal of 2391673 is 3761932.

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 2391673 - 2¹ = 2391671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2391671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4765 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (600480).

2^2391673 is an apocalyptic number.

It is an amenable number.

2391673 is a deficient number, since it is larger than the sum of its proper divisors (10247).

2391673 is a wasteful number, since it uses less digits than its factorization.

2391673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246.

The product of its digits is 6804, while the sum is 31.

The square root of 2391673 is about 1546.5034755861. The cubic root of 2391673 is about 133.7315670291.

The spelling of 2391673 in words is "two million, three hundred ninety-one thousand, six hundred seventy-three".