2801830 has 8 divisors (see below), whose sum is σ = 5043312. Its totient is φ = 1120728.

The previous prime is 2801819. The next prime is 2801833. The reversal of 2801830 is 381082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140082 + ... + 140101.

It is an arithmetic number, because the mean of its divisors is an integer number (630414).

2^2801830 is an apocalyptic number.

2801830 is a deficient number, since it is larger than the sum of its proper divisors (2241482).

2801830 is a wasteful number, since it uses less digits than its factorization.

2801830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280190.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2801830 is about 1673.8667808401. The cubic root of 2801830 is about 140.9766740415.

The spelling of 2801830 in words is "two million, eight hundred one thousand, eight hundred thirty".