3702881 has 12 divisors (see below), whose sum is σ = 4639572. Its totient is φ = 2929248.

The previous prime is 3702869. The next prime is 3702887. The reversal of 3702881 is 1882073.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 2202256 = 1225^2 + 1484^2 .

It is not a de Polignac number, because 3702881 - 2⁶ = 3702817 is a prime.

It is a super-2 number, since 2×3702881² = 27422655400322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3702887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2270 + ... + 3543.

It is an arithmetic number, because the mean of its divisors is an integer number (386631).

Almost surely, 2^3702881 is an apocalyptic number.

It is an amenable number.

3702881 is a deficient number, since it is larger than the sum of its proper divisors (936691).

3702881 is a wasteful number, since it uses less digits than its factorization.

3702881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3702881 is about 1924.2871407355. The cubic root of 3702881 is about 154.7081709818.

The spelling of 3702881 in words is "three million, seven hundred two thousand, eight hundred eighty-one".