2923689 has 4 divisors (see below), whose sum is σ = 3898256. Its totient is φ = 1949124.

The previous prime is 2923651. The next prime is 2923727. The reversal of 2923689 is 9863292.

2923689 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2923651) and next prime (2923727).

It is not a de Polignac number, because 2923689 - 2⁸ = 2923433 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2923619) 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, 487279 + ... + 487284.

It is an arithmetic number, because the mean of its divisors is an integer number (974564).

2^2923689 is an apocalyptic number.

It is an amenable number.

2923689 is a deficient number, since it is larger than the sum of its proper divisors (974567).

2923689 is an equidigital number, since it uses as much as digits as its factorization.

2923689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974566.

The product of its digits is 46656, while the sum is 39.

The square root of 2923689 is about 1709.8798203383. The cubic root of 2923689 is about 142.9915557307.

The spelling of 2923689 in words is "two million, nine hundred twenty-three thousand, six hundred eighty-nine".