2890830 has 32 divisors (see below), whose sum is σ = 6990624. Its totient is φ = 765056.

The previous prime is 2890813. The next prime is 2890861. The reversal of 2890830 is 380982.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent 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, 4912 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (218457).

2^2890830 is an apocalyptic number.

2890830 is an abundant number, since it is smaller than the sum of its proper divisors (4099794).

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

2890830 is a wasteful number, since it uses less digits than its factorization.

2890830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2890830 is about 1700.2441001221. The cubic root of 2890830 is about 142.4538477810.

The spelling of 2890830 in words is "two million, eight hundred ninety thousand, eight hundred thirty".