2820609398 has 8 divisors (see below), whose sum is σ = 4231849440. Its totient is φ = 1409992920.

The previous prime is 2820609377. The next prime is 2820609409. The reversal of 2820609398 is 8939060282.

2820609398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 144413 + ... + 162776.

It is an arithmetic number, because the mean of its divisors is an integer number (528981180).

Almost surely, 2^2820609398 is an apocalyptic number.

2820609398 is a deficient number, since it is larger than the sum of its proper divisors (1411240042).

2820609398 is a wasteful number, since it uses less digits than its factorization.

2820609398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311782.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2820609398 is about 53109.4096935750. The cubic root of 2820609398 is about 1412.9094056203.

The spelling of 2820609398 in words is "two billion, eight hundred twenty million, six hundred nine thousand, three hundred ninety-eight".