2090605308 has 48 divisors (see below), whose sum is σ = 5434781184. Its totient is φ = 620035840.

The previous prime is 2090605303. The next prime is 2090605327. The reversal of 2090605308 is 8035060902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090605301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162285 + ... + 174692.

It is an arithmetic number, because the mean of its divisors is an integer number (113224608).

Almost surely, 2^2090605308 is an apocalyptic number.

It is an amenable number.

2090605308 is an abundant number, since it is smaller than the sum of its proper divisors (3344175876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2090605308 is a wasteful number, since it uses less digits than its factorization.

2090605308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337042 (or 337040 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2090605308 is about 45723.1375563839. The cubic root of 2090605308 is about 1278.6666837318. Note that the first 4 decimals are identical.

The spelling of 2090605308 in words is "two billion, ninety million, six hundred five thousand, three hundred eight".