2890609986 has 32 divisors (see below), whose sum is σ = 6323054400. Its totient is φ = 873682880.

The previous prime is 2890609963. The next prime is 2890609993. The reversal of 2890609986 is 6899060982.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30621 + ... + 81968.

It is an arithmetic number, because the mean of its divisors is an integer number (197595450).

Almost surely, 2^2890609986 is an apocalyptic number.

2890609986 is an abundant number, since it is smaller than the sum of its proper divisors (3432444414).

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

2890609986 is a wasteful number, since it uses less digits than its factorization.

2890609986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112994.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 2890609986 is about 53764.3932914713. The cubic root of 2890609986 is about 1424.5023375139.

The spelling of 2890609986 in words is "two billion, eight hundred ninety million, six hundred nine thousand, nine hundred eighty-six".