2905380 has 36 divisors (see below), whose sum is σ = 8813532. Its totient is φ = 774720.

The previous prime is 2905367. The next prime is 2905393. The reversal of 2905380 is 835092.

It is an interprime number because it is at equal distance from previous prime (2905367) and next prime (2905393).

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 1790244 = 1056^2 + 1338^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7891 + ... + 8250.

2^2905380 is an apocalyptic number.

2905380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2905380 is an abundant number, since it is smaller than the sum of its proper divisors (5908152).

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

2905380 is a wasteful number, since it uses less digits than its factorization.

2905380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16156 (or 16151 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2905380 is about 1704.5175270439. The cubic root of 2905380 is about 142.6924454344.

The spelling of 2905380 in words is "two million, nine hundred five thousand, three hundred eighty".