2070919 has 4 divisors (see below), whose sum is σ = 2142360. Its totient is φ = 1999480.

The previous prime is 2070911. The next prime is 2070931. The reversal of 2070919 is 9190702.

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

It is a cyclic number.

It is not a de Polignac number, because 2070919 - 2³ = 2070911 is a prime.

It is a super-2 number, since 2×2070919² = 8577411009122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070911) 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 3 ways as a sum of consecutive naturals, for example, 35677 + ... + 35734.

It is an arithmetic number, because the mean of its divisors is an integer number (535590).

2^2070919 is an apocalyptic number.

2070919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2070919 is a deficient number, since it is larger than the sum of its proper divisors (71441).

2070919 is an equidigital number, since it uses as much as digits as its factorization.

2070919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71440.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2070919 is about 1439.0687961317. The cubic root of 2070919 is about 127.4640472767.

The spelling of 2070919 in words is "two million, seventy thousand, nine hundred nineteen".