3802789 has 8 divisors (see below), whose sum is σ = 3897432. Its totient is φ = 3709440.

The previous prime is 3802787. The next prime is 3802837. The reversal of 3802789 is 9872083.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 3802500 = 17^2 + 1950^2 .

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 3802789 - 2¹ = 3802787 is a prime.

It is a super-2 number, since 2×3802789² = 28922408357042, which contains 22 as substring.

It is a Duffinian number.

3802789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802783) 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, 8019 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (487179).

Almost surely, 2^3802789 is an apocalyptic number.

It is an amenable number.

3802789 is a deficient number, since it is larger than the sum of its proper divisors (94643).

3802789 is a wasteful number, since it uses less digits than its factorization.

3802789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3802789 is about 1950.0741011562. The cubic root of 3802789 is about 156.0872430039.

The spelling of 3802789 in words is "three million, eight hundred two thousand, seven hundred eighty-nine".