2773830 has 16 divisors (see below), whose sum is σ = 6657264. Its totient is φ = 739680.

The previous prime is 2773819. The next prime is 2773843. The reversal of 2773830 is 383772.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 92461 = 2773830 / (2 + 7 + 7 + 3 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46201 + ... + 46260.

It is an arithmetic number, because the mean of its divisors is an integer number (416079).

2^2773830 is an apocalyptic number.

2773830 is an abundant number, since it is smaller than the sum of its proper divisors (3883434).

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

2773830 is a wasteful number, since it uses less digits than its factorization.

2773830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92471.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 2773830 is about 1665.4819122404. The cubic root of 2773830 is about 140.5054856164.

The spelling of 2773830 in words is "two million, seven hundred seventy-three thousand, eight hundred thirty".