2069646 has 8 divisors (see below), whose sum is σ = 4139304. Its totient is φ = 689880.

The previous prime is 2069629. The next prime is 2069647. The reversal of 2069646 is 6469602.

It is a sphenic number, since it is the product of 3 distinct primes.

2069646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172465 + ... + 172476.

It is an arithmetic number, because the mean of its divisors is an integer number (517413).

2^2069646 is an apocalyptic number.

2069646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2069646 is a wasteful number, since it uses less digits than its factorization.

2069646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344946.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2069646 is about 1438.6264282294. The cubic root of 2069646 is about 127.4379244152.

The spelling of 2069646 in words is "two million, sixty-nine thousand, six hundred forty-six".