2934390805 has 4 divisors (see below), whose sum is σ = 3521268972. Its totient is φ = 2347512640.

The previous prime is 2934390803. The next prime is 2934390817. The reversal of 2934390805 is 5080934392.

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 396447921 + 2537942884 = 19911^2 + 50378^2 .

It is not a de Polignac number, because 2934390805 - 2¹ = 2934390803 is a prime.

It is a super-2 number, since 2×2934390805² = 17221298792937096050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2934390803) 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, 293439076 + ... + 293439085.

It is an arithmetic number, because the mean of its divisors is an integer number (880317243).

Almost surely, 2^2934390805 is an apocalyptic number.

It is an amenable number.

2934390805 is a deficient number, since it is larger than the sum of its proper divisors (586878167).

2934390805 is an equidigital number, since it uses as much as digits as its factorization.

2934390805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586878166.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 2934390805 is about 54170.0175835305. The cubic root of 2934390805 is about 1431.6581097404.

The spelling of 2934390805 in words is "two billion, nine hundred thirty-four million, three hundred ninety thousand, eight hundred five".