2039770 has 8 divisors (see below), whose sum is σ = 3671604. Its totient is φ = 815904.

The previous prime is 2039761. The next prime is 2039771. The reversal of 2039770 is 779302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 143641 = 1377^2 + 379^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2039771) 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, 101979 + ... + 101998.

2^2039770 is an apocalyptic number.

2039770 is a deficient number, since it is larger than the sum of its proper divisors (1631834).

2039770 is a wasteful number, since it uses less digits than its factorization.

2039770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203984.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 2039770 is about 1428.2051673342. The cubic root of 2039770 is about 126.8217475726.

It can be divided in two parts, 2039 and 770, that added together give a square (2809 = 53²).

The spelling of 2039770 in words is "two million, thirty-nine thousand, seven hundred seventy".