2770406 has 4 divisors (see below), whose sum is σ = 4155612. Its totient is φ = 1385202.

The previous prime is 2770393. The next prime is 2770429. The reversal of 2770406 is 6040772.

2770406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692600 + ... + 692603.

It is an arithmetic number, because the mean of its divisors is an integer number (1038903).

2^2770406 is an apocalyptic number.

2770406 is a deficient number, since it is larger than the sum of its proper divisors (1385206).

2770406 is a wasteful number, since it uses less digits than its factorization.

2770406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385205.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 2770406 is about 1664.4536641193. The cubic root of 2770406 is about 140.4476487542.

The spelling of 2770406 in words is "two million, seven hundred seventy thousand, four hundred six".