2770456 has 32 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 1202688.

The previous prime is 2770429. The next prime is 2770459. The reversal of 2770456 is 6540772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

2^2770456 is an apocalyptic number.

2770456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2770456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2770456 is an abundant number, since it is smaller than the sum of its proper divisors (3156584).

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

2770456 is a wasteful number, since it uses less digits than its factorization.

2770456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2770456 is about 1664.4686839950. The cubic root of 2770456 is about 140.4484936773.

The spelling of 2770456 in words is "two million, seven hundred seventy thousand, four hundred fifty-six".