2070399 has 8 divisors (see below), whose sum is σ = 2788272. Its totient is φ = 1366400.

The previous prime is 2070371. The next prime is 2070421. The reversal of 2070399 is 9930702.

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

It is a cyclic number.

It is not a de Polignac number, because 2070399 - 2⁸ = 2070143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (348534).

2^2070399 is an apocalyptic number.

2070399 is a deficient number, since it is larger than the sum of its proper divisors (717873).

2070399 is a wasteful number, since it uses less digits than its factorization.

2070399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2070399 is about 1438.8881123979. Note that the first 3 decimals coincide. The cubic root of 2070399 is about 127.4533778021.

It can be divided in two parts, 20703 and 99, that added together give a palindrome (20802).

The spelling of 2070399 in words is "two million, seventy thousand, three hundred ninety-nine".