2905470 has 80 divisors (see below), whose sum is σ = 8311248. Its totient is φ = 725760.

The previous prime is 2905459. The next prime is 2905471. The reversal of 2905470 is 745092.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13665 + ... + 13875.

2^2905470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2905470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155624).

2905470 is an abundant number, since it is smaller than the sum of its proper divisors (5405778).

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

2905470 is a wasteful number, since it uses less digits than its factorization.

2905470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2905470 is about 1704.5439272720. The cubic root of 2905470 is about 142.6939188145.

It can be divided in two parts, 2905 and 470, that added together give a cube (3375 = 15³).

The spelling of 2905470 in words is "two million, nine hundred five thousand, four hundred seventy".