2880406 has 4 divisors (see below), whose sum is σ = 4320612. Its totient is φ = 1440202.

The previous prime is 2880389. The next prime is 2880407. The reversal of 2880406 is 6040882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720100 + ... + 720103.

It is an arithmetic number, because the mean of its divisors is an integer number (1080153).

2^2880406 is an apocalyptic number.

2880406 is a deficient number, since it is larger than the sum of its proper divisors (1440206).

2880406 is a wasteful number, since it uses less digits than its factorization.

2880406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440205.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2880406 is about 1697.1758895294. The cubic root of 2880406 is about 142.2824175075.

The spelling of 2880406 in words is "two million, eight hundred eighty thousand, four hundred six".