2390491834 has 8 divisors (see below), whose sum is σ = 3585961908. Its totient is φ = 1195171200.

The previous prime is 2390491823. The next prime is 2390491847. The reversal of 2390491834 is 4381940932.

It can be written as a sum of positive squares in 2 ways, for example, as 1713711609 + 676780225 = 41397^2 + 26015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20644 + ... + 72160.

Almost surely, 2^2390491834 is an apocalyptic number.

2390491834 is a deficient number, since it is larger than the sum of its proper divisors (1195470074).

2390491834 is a wasteful number, since it uses less digits than its factorization.

2390491834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74720.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2390491834 is about 48892.6562379260. The cubic root of 2390491834 is about 1337.0954824553.

The spelling of 2390491834 in words is "two billion, three hundred ninety million, four hundred ninety-one thousand, eight hundred thirty-four".