2069940 has 24 divisors (see below), whose sum is σ = 5796000. Its totient is φ = 551968.

The previous prime is 2069929. The next prime is 2069941. The reversal of 2069940 is 499602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2069898 and 2069907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069941) 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 7 ways as a sum of consecutive naturals, for example, 17190 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (241500).

2^2069940 is an apocalyptic number.

2069940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069940 is an abundant number, since it is smaller than the sum of its proper divisors (3726060).

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

2069940 is a wasteful number, since it uses less digits than its factorization.

2069940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34511 (or 34509 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2069940 is about 1438.7286054013. The cubic root of 2069940 is about 127.4439584545.

The spelling of 2069940 in words is "two million, sixty-nine thousand, nine hundred forty".