2764830 has 32 divisors (see below), whose sum is σ = 6925824. Its totient is φ = 705056.

The previous prime is 2764819. The next prime is 2764837. The reversal of 2764830 is 384672.

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 not an unprimeable number, because it can be changed into a prime (2764837) 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, 1314 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (216432).

2^2764830 is an apocalyptic number.

2764830 is an abundant number, since it is smaller than the sum of its proper divisors (4160994).

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

2764830 is a wasteful number, since it uses less digits than its factorization.

2764830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2764830 is about 1662.7777963396. Note that the first 4 decimals coincide. The cubic root of 2764830 is about 140.3533590743.

The spelling of 2764830 in words is "two million, seven hundred sixty-four thousand, eight hundred thirty".