3802785 has 16 divisors (see below), whose sum is σ = 6953856. Its totient is φ = 1738368.

The previous prime is 3802783. The next prime is 3802787. The reversal of 3802785 is 5872083.

It is an interprime number because it is at equal distance from previous prime (3802783) and next prime (3802787).

It is not a de Polignac number, because 3802785 - 2¹ = 3802783 is a prime.

It is a super-2 number, since 2×3802785² = 28922347512450, which contains 22 as substring.

3802785 is a lucky 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 15 ways as a sum of consecutive naturals, for example, 18004 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (434616).

Almost surely, 2^3802785 is an apocalyptic number.

3802785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3802785 is a deficient number, since it is larger than the sum of its proper divisors (3151071).

3802785 is a wasteful number, since it uses less digits than its factorization.

3802785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3802785 is about 1950.0730755538. The cubic root of 3802785 is about 156.0871882766.

The spelling of 3802785 in words is "three million, eight hundred two thousand, seven hundred eighty-five".