2923117 has 4 divisors (see below), whose sum is σ = 2926620. Its totient is φ = 2919616.

The previous prime is 2923103. The next prime is 2923121. The reversal of 2923117 is 7113292.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 866761 = 1434^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2923117 - 2⁷ = 2922989 is a prime.

It is a super-2 number, since 2×2923117² = 17089225991378, which contains 22 as substring.

It is a Duffinian number.

2923117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2923091 and 2923100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923127) 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, 309 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (731655).

2^2923117 is an apocalyptic number.

It is an amenable number.

2923117 is a deficient number, since it is larger than the sum of its proper divisors (3503).

2923117 is a wasteful number, since it uses less digits than its factorization.

2923117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502.

The product of its digits is 756, while the sum is 25.

The square root of 2923117 is about 1709.7125489391. The cubic root of 2923117 is about 142.9822300119.

The spelling of 2923117 in words is "two million, nine hundred twenty-three thousand, one hundred seventeen".