2069440 has 56 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 795648.

The previous prime is 2069413. The next prime is 2069443. The reversal of 2069440 is 449602.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069443) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9169 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (91440).

2^2069440 is an apocalyptic number.

2069440 is a gapful number since it is divisible by the number (20) 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 2069440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560320).

2069440 is an abundant number, since it is smaller than the sum of its proper divisors (3051200).

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

2069440 is a wasteful number, since it uses less digits than its factorization.

2069440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2069440 is about 1438.5548303767. The cubic root of 2069440 is about 127.4336961424.

The spelling of 2069440 in words is "two million, sixty-nine thousand, four hundred forty".