2030639 has 8 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 1861920.

The previous prime is 2030627. The next prime is 2030653. The reversal of 2030639 is 9360302.

It is a happy number.

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 2030639 - 2⁸ = 2030383 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

2^2030639 is an apocalyptic number.

2030639 is a deficient number, since it is larger than the sum of its proper divisors (170833).

2030639 is a wasteful number, since it uses less digits than its factorization.

2030639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2030639 is about 1425.0049122722. The cubic root of 2030639 is about 126.6322259396.

The spelling of 2030639 in words is "two million, thirty thousand, six hundred thirty-nine".