2069481 has 4 divisors (see below), whose sum is σ = 2759312. Its totient is φ = 1379652.

The previous prime is 2069449. The next prime is 2069489. The reversal of 2069481 is 1849602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2069481 - 2⁵ = 2069449 is a prime.

It is a super-2 number, since 2×2069481² = 8565503218722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2069489) 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, 344911 + ... + 344916.

It is an arithmetic number, because the mean of its divisors is an integer number (689828).

2^2069481 is an apocalyptic number.

It is an amenable number.

2069481 is a deficient number, since it is larger than the sum of its proper divisors (689831).

2069481 is an equidigital number, since it uses as much as digits as its factorization.

2069481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689830.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2069481 is about 1438.5690807188. The cubic root of 2069481 is about 127.4345377142.

The spelling of 2069481 in words is "two million, sixty-nine thousand, four hundred eighty-one".